English
firecan
From fire + can.
Proto-Indo-European *péh₂wr̥
…
Proto-Germanic *fuïr
Proto-West Germanic *fuir
Old English fȳr ‘fire’
Middle English fyr
English fire
Proto-Indo-European *ǵneh₃- ‘to recognise’
…
Proto-Germanic *kunnaną ‘to know’
Proto-West Germanic *kunnan ‘to recognise’
Old English cunnan ‘to know how’
Middle English can
English can
Today it means
noun A jet fighter.
Language periods are conventional ranges, not dates for this word.
Etymograph / firecan