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Greek verb · G1987

ἐπίσταμαι

epistamaiep-is'-tam-ahee

to know/understand

14 uses in the Greek text, one for each word STEP Bible has tagged with this key

Concordance spelling: epístamai

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G1987is this word's number in James Strong's 1890 index of the King James Bible.

  • 6 of 27
    New Testament books
  • 5
    spellings

The definition in full

Strong's key (1890) · G1987

to put the mind upon, i.e. comprehend, or be acquainted with

The King James renders it: know, understand.

James Strong, The Exhaustive Concordance of the Bible (1890), public domain. Strong indexed the King James text, and this site quotes his entry as that index.

Summary

epistamai is rendered "to know/understand". It stands 14 times in the Greek text, across six books.

  • Nine of the uses stand in Acts, more than in any other book.
  • Its first use in canonical order opens the ledger below.Mark 14:68But he denied it. “I do not know or even understand what you are talking about,” he said. Then he went out to the gateway, and the rooster crowed.
  • The Greek text spells it five different ways.

The first use

But he denied it. “I do not know or even understand what you are talking about,” he said. Then he went out to the gateway, and the rooster crowed.

Mark 14:68ἐπίσταμαι

The first use, in the order of the New Testament's books.

Where the word stands

Nine of the word's fourteen uses are in Acts.

The other 21 New Testament books never use the word.

What the word means

Each meaning, and the words it is translated by

How the Greek text is glossed, word by word

  • know4
  • knowing4
  • you know2
  • I am acquainted with1
  • they understand1
  • understand1
  • Understands1

The words built on the same word-part

Each word below begins with the same letters this one begins with. A shared word-part shows a family. It does not settle what any one of them means, so each word carries its own uses on its own page. Scholars call that shared part the stem.

ἐπιστρέφωepistrephoto turnUses36
ἐπιστολήepistoleepistleUses24
ἐπισκέπτομαιepiskeptomaito visit/care forUses11
ἐπισυνάγωepisynagoto gatherUses8
ἐπιστάτηςepistatesmasterUses7
ἐπισκιάζωepiskiazoto overshadowUses5
ἐπίσκοποςepiskoposoverseerUses5
ἐπισκοπήepiskopeoversightUses4
ἐπιστηρίζωepisterizoto strengthenUses4
ἐπιστέλλωepistelloto write toUses3
ἐπίσημοςepisemosnotableUses2
ἐπισκοπέωepiskopeoto oversee/care forUses2

and 12 more on the stem.

All 14, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

5 spellings and their grammar

STEP Bible tags every word of the Hebrew and Greek text with its spelling and its grammar. Both lists below count the rows printed underneath, written out in English, with the code beside each one as it was tagged.

How it is spelled

  • ἐπίστασθε5
  • ἐπιστάμενος4
  • ἐπίσταμαι2
  • ἐπίστανται2
  • ἐπίσταται1

The grammar of each form

  • verb · present middle or passive form, indicative · 2nd person plural5V-PNI-2P
  • verb · present middle or passive form, participle · nominative (subject) · masculine singular4V-PNP-NSM
  • verb · present middle or passive form, indicative · 1st person singular2V-PNI-1S
  • verb · present middle or passive form, indicative · 3rd person plural2V-PNI-3P
  • verb · present middle or passive form, indicative · 3rd person singular1V-PNI-3S

Mark

one use
  • But he denied it. “I do not know or even understand what you are talking about,” he said. Then he went out to the gateway, and the rooster crowed.

    Mark 14:68

    • ἐπίσταμαιepistamaiverb · present middle or passive form, indicative · 1st person singulartagged: understand

Acts

nine uses
  • He said to them, “You know how unlawful it is for a Jew to associate with a foreigner or visit him. But God has shown me that I should not call any man impure or unclean.

    Acts 10:28

    • ἐπίστασθεepistastheverb · present middle or passive form, indicative · 2nd person pluraltagged: know
  • After much discussion, Peter got up and said to them, “Brothers, you know that in the early days God made a choice among you that the Gentiles would hear from my lips the message of the gospel and believe.

    Acts 15:7

    • ἐπίστασθεepistastheverb · present middle or passive form, indicative · 2nd person pluraltagged: know
  • He had been instructed in the way of the Lord and was fervent in spirit. He spoke and taught accurately about Jesus, though he knew only the baptism of John.

    Acts 18:25

    • ἐπιστάμενοςepistamenosverb · present middle or passive form, participle · nominative (subject) · masculine singulartagged: knowing
  • Eventually, one of the evil spirits answered them, “Jesus I know, and I know about Paul, but who are you?”

    Acts 19:15

    • ἐπίσταμαιepistamaiverb · present middle or passive form, indicative · 1st person singulartagged: I am acquainted with
  • Demetrius assembled the craftsmen, along with the workmen in related trades. “Men,” he said, “you know that this business is our source of prosperity.

    Acts 19:25

    • ἐπίστασθεepistastheverb · present middle or passive form, indicative · 2nd person pluraltagged: you know
  • When they came to him, he said, “You know how I lived the whole time I was with you, from the first day I arrived in the province of Asia.

    Acts 20:18

    • ἐπίστασθεepistastheverb · present middle or passive form, indicative · 2nd person pluraltagged: know
  • ‘Lord,’ I answered, ‘they know very well that in one synagogue after another I imprisoned and beat those who believed in You.

    Acts 22:19

    • ἐπίστανταιepistantaiverb · present middle or passive form, indicative · 3rd person pluraltagged: know
  • When the governor motioned for Paul to speak, he began his response: “Knowing that you have been a judge over this nation for many years, I gladly make my defense.

    Acts 24:10

    • ἐπιστάμενοςepistamenosverb · present middle or passive form, participle · nominative (subject) · masculine singulartagged: knowing
  • For the king knows about these matters, and I can speak freely to him. I am confident that none of this has escaped his notice, because it was not done in a corner.

    Acts 26:26

    • ἐπίσταταιepistataiverb · present middle or passive form, indicative · 3rd person singulartagged: Understands

1 Timothy

one use
  • he is conceited and understands nothing. Instead, he has an unhealthy interest in controversies and semantics, out of which come envy, strife, abusive talk, evil suspicions,

    1 Timothy 6:4

    • ἐπιστάμενοςepistamenosverb · present middle or passive form, participle · nominative (subject) · masculine singulartagged: knowing

Hebrews

one use
  • By faith Abraham, when called to go to a place he would later receive as his inheritance, obeyed and went, without knowing where he was going.

    Hebrews 11:8

    • ἐπιστάμενοςepistamenosverb · present middle or passive form, participle · nominative (subject) · masculine singulartagged: knowing

James

one use
  • You do not even know what will happen tomorrow! What is your life? You are a mist that appears for a little while and then vanishes.

    James 4:14

    • ἐπίστασθεepistastheverb · present middle or passive form, indicative · 2nd person pluraltagged: you know

Jude

one use
  • These men, however, slander what they do not understand, and like irrational animals, they will be destroyed by the things they do instinctively.

    Jude 1:10

    • ἐπίστανταιepistantaiverb · present middle or passive form, indicative · 3rd person pluraltagged: they understand

Where it leads

How the numbers are counted

Every count on this page comes from STEP Bible's tagged Hebrew and Greek text, the same text the ledger prints. A use is counted once each time the tagging marks a word with this key.

Spellings are counted as the Greek text spells them, with the sentence's own punctuation taken off the word first, so a form that ends a clause is not counted as a second spelling.

The family is read from the lexicon by the stem the two words share, with the accents off, and a person or a place named on the stem is left out.

Hebrew and Greek text, word tagging and grammar: STEP Bible (www.STEPBible.org), Tyndale House, CC BY 4.0. Their grammar codes are written out in English here and shown as tagged beside each one.

Meaning and senses: STEP Bible TBESG (Tyndale House, CC BY 4.0), the Brief lexicon based on Abbott-Smith (1922).

Dictionary key: Strong's Exhaustive Concordance of the Bible (1890, public domain). English verse text: Berean Standard Bible (public domain, 2023).

Revised 2026-09-05. Every cited work, the sources registry →