English
knitback
From knit + back, from its use as a restorative.
Proto-Germanic *knuttô ‘a knot’
Proto-Germanic *knuttijaną ‘to bind into a knot’
Proto-West Germanic *knuttijan ‘to bind into a knot, tie with a knot’
Old English cnyttan ‘to tie’
Middle English knytten ‘to attach or close with a knot’
English knit
Proto-Germanic *baką ‘back’
Proto-West Germanic *bak
Old English bæc
Middle English bak ‘the back’
English back
Today it means
noun The plant comfrey.
Language periods are conventional ranges, not dates for this word.
Etymograph / knitback