English

testfire

From test + fire.

A compound of test + fire

Latin testum ‘earthen vessel, earthen pot’

Old French test ‘an earthen vessel’

Middle English test

English test

Proto-Indo-European *péh₂wr̥

…

Proto-Germanic *fuïr

Proto-West Germanic *fuir

Old English fȳr ‘fire’

Middle English fyr

English fire

Today it means

verb To subject to a test firing.

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

Etymograph / testfire