English

interplume

From inter- + plume.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *plewk-smeh₂

…

Latin plūma ‘feather, plumage’

Old French plume ‘feather, plumage’

Anglo-Norman plum

Middle English plum ‘feather’

English plume

Today it means

adj Between plumes.

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

Etymograph / interplume