Dictionary entry

νεομηνία

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

νεομηνία (Att. contr., νουμ-, Rec.), -ας, ἡ

(< νέος, μήν), [in LXX chiefly for חֹדֶשׁ;]

new moon: of the Jewish festival, Col 2:16.†