Lexical Definition

‎νουμηνία‎ noumēnía (noo-may-nee'-ah) New Moon G:N-F
feminine of a compound of ‎νέος‎ and ‎μήν‎ (as noun by implication, of ‎ἡμέρα‎)

new moon.

Usage: 7 forms in 24 verses
Form Translated As     In Verse(s)
νουμηνιών new moons LXX.Neh.10.33
νουμηνίασ her new moons LXX.Hos.2.11
new moon LXX.Num.29.6
new moons LXX.2Chr.31.3LXX.Ezra.3.5LXX.Ezek.46.1LXX.Ezek.46.6
your new moons LXX.Isa.1.13LXX.Isa.1.14LXX.Ezek.23.34
νουμηνίαισ new moons LXX.1Chr.23.31LXX.2Chr.2.4LXX.Ezek.45.17LXX.Ezek.46.3
your new moons LXX.Num.10.10
νουμηνία a new moon LXX.1Sam.20.24
new moon LXX.Exod.40.2LXX.Exod.40.17
νεομηνίασ a New Moon Col.2.16
νεομηνίαισ new moons LXX.Num.28.11
νεομηνία a new moon LXX.1Sam.20.5LXX.2Kgs.4.23
new moon LXX.1Sam.20.18LXX.Ps.81.3

Abbott-Smith

νεομηνία (Att. contr., νουμ-, Rec.), -ας, ἡ (< νέος, μήν), [in LXX chiefly for חֹדֶשׁ;]
new moon: of the Jewish festival, Col 2:16.†

Abbott-Smith References

Book Refs
Colossians 2:16

Liddell-Scott-Jones

νουμηνία-ία, ,

Attic dialect contraction for νεομηνία (which occurs in [Refs 5th c.BC+]:—also νευμηνία, [Refs 4th c.BC+]; νεμονηΐα, [Refs]; νομενία, [Refs 3rd c.BC+]:— new moon: the first of the month, Pi.[same place], [Refs 5th c.BC+], etc.; ν. κατὰ σελήνην to denote the true or natural new moon, as opposed to to the νουμηνίαία of the calendars, [Refs 5th c.BC+]; ν. τοῦ ἔτους, of the spring equinox, [Refs 2nd c.AD+]