English
filiformly
From filiform + -ly.
Formed from filiform + -ly
Proto-Indo-European *gʷʰiH-(s-)lo- ‘sinew’
Proto-Italic *fī(s)lom
Latin filum ‘filament’
English filiform
Today it means
adv In a filiform manner.
Language periods are conventional ranges, not dates for this word.
Etymograph / filiformly