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Greek verb · G2545

καίω

kaiokah'-yo

to kindle, light; to burn, destroy by fire

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

Concordance spelling: kaíō

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G2545is this word's number in James Strong's 1890 index of the King James Bible.

  • 5 of 27
    New Testament books
  • 10
    spellings
  • 2
    meanings

The definition in full

Strong's key (1890) · G2545

to set on fire, i.e. kindle or (by implication) consume

The King James renders it: burn, light.

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

kaio is rendered "to kindle, light; to burn, destroy by fire". It stands 11 times in the Greek text, across five books.

  • Five of the uses stand in Revelation, more than in any other book.
  • The lexicon lists two meanings for it, beginning with "to kindle, light".
  • Its first use in canonical order opens the ledger below.Matthew 5:15Neither do people light a lamp and put it under a basket. Instead, they set it on a stand, and it gives light to everyone in the house.
  • The Greek text spells it ten different ways.

The first use

Neither do people light a lamp and put it under a basket. Instead, they set it on a stand, and it gives light to everyone in the house.

Matthew 5:15καίουσιν

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

Where the word stands

Five of the word's eleven uses are in Revelation.

The other 22 New Testament books never use the word.

What the word means

The word carries two meanings: to kindle, light, and to burn, destroy by fire.

Each meaning, and the words it is translated by

The English STEP Bible gives each use, word by word, and how many times.
to kindle, lightwith accusative, λύχνον, Mat.5:15; pass., to be lighted, to burnTagged as
  • burning5
  • is burning3
  • do they light1
  • kindled1
WhereMatthew 5:15Neither do people light a lamp and put it under a basket. Instead, they set it on a stand…
to burn, destroy by firepass., Jhn.15:6, 1Co.13:3.† (AS)Tagged as
  • it is burned1
WhereJohn 15:6If anyone does not remain in Me, he is like a branch that is thrown away and withers…

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.

All 11, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

10 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

  • καιόμενος2
  • καίεται1
  • καιόμεναι1
  • καιομένη1
  • καιομένῃ1
  • καιομένης1
  • καιόμενοι1
  • καιόμενον1
  • καίουσιν1
  • κεκαυμένῳ1

The grammar of each form

  • verb · present passive, participle · nominative (subject) · masculine singular2V-PPP-NSM
  • verb · present active, indicative · 3rd person plural1V-PAI-3P
  • verb · present passive, indicative · 3rd person singular1V-PPI-3S
  • verb · present passive, participle · dative (“to / for”) · feminine singular1V-PPP-DSF
  • verb · present passive, participle · genitive (“of”) · feminine singular1V-PPP-GSF
  • verb · present passive, participle · nominative (subject) · feminine plural1V-PPP-NPF
  • verb · present passive, participle · nominative (subject) · masculine plural1V-PPP-NPM
  • verb · present passive, participle · nominative (subject) · feminine singular1V-PPP-NSF
  • verb · present passive, participle · nominative (subject) · neuter singular1V-PPP-NSN
  • verb · perfect passive, participle · dative (“to / for”) · neuter singular1V-RPP-DSN

Matthew

one use
  • Neither do people light a lamp and put it under a basket. Instead, they set it on a stand, and it gives light to everyone in the house.

    Matthew 5:15

    • καίουσινkaiousinverb · present active, indicative · 3rd person pluraltagged: do they light

Luke

two uses
  • Be dressed for service and keep your lamps burning.

    Luke 12:35

    • καιόμενοιkaiomenoiverb · present passive, participle · nominative (subject) · masculine pluraltagged: burning
  • They asked each other, “Were not our hearts burning within us as He spoke with us on the road and opened the Scriptures to us?”

    Luke 24:32

    • καιομένηkaiomeneverb · present passive, participle · nominative (subject) · feminine singulartagged: burning

John

two uses
  • John was a lamp that burned and gave light, and you were willing for a season to bask in his light.

    John 5:35

    • καιόμενοςkaiomenosverb · present passive, participle · nominative (subject) · masculine singulartagged: is burning
  • If anyone does not remain in Me, he is like a branch that is thrown away and withers. Such branches are gathered up, thrown into the fire, and burned.

    John 15:6

    • καίεταιkaietaiverb · present passive, indicative · 3rd person singulartagged: it is burned

Hebrews

one use
  • For you have not come to a mountain that can be touched and that is burning with fire; to darkness, gloom, and storm;

    Hebrews 12:18

    • κεκαυμένῳkekaumenoverb · perfect passive, participle · dative (“to / for”) · neuter singulartagged: kindled

Revelation

five uses
  • From the throne came flashes of lightning, and rumblings, and peals of thunder. Before the throne burned seven torches of fire. These are the seven Spirits of God.

    Revelation 4:5

    • καιόμεναιkaiomenaiverb · present passive, participle · nominative (subject) · feminine pluraltagged: burning
  • Then the second angel sounded his trumpet, and something like a great mountain burning with fire was thrown into the sea. A third of the sea turned to blood,

    Revelation 8:8

    • καιόμενονkaiomenonverb · present passive, participle · nominative (subject) · neuter singulartagged: burning
  • Then the third angel sounded his trumpet, and a great star burning like a torch fell from heaven and landed on a third of the rivers and on the springs of water.

    Revelation 8:10

    • καιόμενοςkaiomenosverb · present passive, participle · nominative (subject) · masculine singulartagged: burning
  • But the beast was captured along with the false prophet, who on its behalf had performed signs deceiving those who had the mark of the beast and worshiped its image. Both the beast and the false prophet were thrown alive into the fiery lake of burning sulfur.

    Revelation 19:20

    • καιομένηςkaiomenesverb · present passive, participle · genitive (“of”) · feminine singulartagged: is burning
  • But to the cowardly and unbelieving and abominable and murderers and sexually immoral and sorcerers and idolaters and all liars, their place will be in the lake that burns with fire and sulfur. This is the second death.”

    Revelation 21:8

    • καιομένῃkaiomeneverb · present passive, participle · dative (“to / for”) · feminine singulartagged: is burning

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.

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 →