English

halfwave

From half + wave.

A compound of half + wave

Proto-Germanic *halbaz

Proto-West Germanic *halb

Old English healf

Middle English half

English half

Proto-Indo-European *webʰ- ‘to weave, braid’

Proto-Germanic *wabōną

Proto-West Germanic *wabōn

Old English wafian ‘to wave’

Middle English waven ‘to shake’

English wave

Today it means

noun half (especially the positive half) of a sine wave

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

Etymograph / halfwave