English

infile

From in- + file.

Formed from in- + file

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-Indo-European *gʷʰiH-(s-)lo- ‘sinew’

Proto-Italic *fī(s)lom

Latin fīlum ‘thread’

Old French fil ‘thread’

English file

Today it means

verb —

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