English

interblade

From inter- + blade.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

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

adj Between blades (typically, of a turbine)

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

Etymograph / interblade