English
flyoff
From fly + -off.
Formed from fly + -off
Proto-Indo-European *plew- ‘to fly, flow, run’
…
Proto-Germanic *fleugǭ ‘flying insect, fly’
Proto-West Germanic *fleugā ‘fly’
Old English flēge ‘a fly’
Middle English fflye
English fly
Today it means
noun A competitive demonstration of aircraft or other equipment to determine which will be selected by the client.
Language periods are conventional ranges, not dates for this word.
Etymograph / flyoff