English
featherwise
From feather + -wise.
Formed from feather + -wise
Proto-Indo-European *peth₂- ‘to fly’
…
Proto-Germanic *feþrō
Proto-West Germanic *feþru
Old English feþer
Middle English fethere ‘a wing feather’
English feather
Today it means
adv Arranged at angles like the barbs of a feather.
Language periods are conventional ranges, not dates for this word.
Etymograph / featherwise