Dictionary entry

ἕβδομος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἕβδομος, -η, -ον

(< ἑπτὰ), [in LXX chiefly for שְׁבִיעִי;]

seventh: Jo 4:52, He 4:4 (LXX), Ju 14, Re 8:110:711:1516:1721:20.†