English
alcoblow
From alco- + blow.
Proto-Indo-European *bʰel- ‘to blow’
…
Proto-Germanic *blēaną ‘to blow’
Proto-West Germanic *blāan ‘to blow’
Old English blāwan ‘to blow, breathe’
Middle English blowen ‘to blow’
English blow
Today it means
noun The use of breathalyzers.
Language periods are conventional ranges, not dates for this word.
Etymograph / alcoblow