English

knifeblade

From knife + blade.

A compound of knife + blade

Old English cnīf

Middle English knyf ‘knife’

English knife

Proto-Indo-European *bʰleh₃- ‘to thrive, bloom’

…

Proto-West Germanic *blad ‘leaf’

Old English blæd ‘leaf’

Middle English blad ‘a leaf’

Middle English blade

English blade

Today it means

noun A kind of piton used in thin cracks.

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

Etymograph / knifeblade