hébdomos

So he inquired of them the hour when he began to amend. They said therefore unto him, Yesterday at the seventh hour the fever left him.

The first tagged occurrence in John.

For he hath said somewhere of the seventh day on this wise, And God rested on the seventh day from all his works;

The first tagged occurrence in Hebrews.

And to these also Enoch, the seventh from Adam, prophesied, saying, Behold, the Lord came with ten thousands of his holy ones,

The first tagged occurrence in Jude.

And when he opened the seventh seal, there followed a silence in heaven about the space of half an hour.

The first tagged occurrence in Revelation.