Etymograph

English

half-moon

From half- + moon.

A compound of half- + moon

Proto-Germanic *halbaz ‘half’

Proto-Germanic *halba-

English half-

Proto-Indo-European *mḗh₁n̥s ‘moon’

Proto-Germanic *mēnô

Proto-West Germanic *mānō

Old English mōna

Middle English mone ‘the celestial body closest to the Earth’

English moon

Today it means

noun The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.

Language periods are conventional ranges, not dates for this word.

Etymograph / half-moon