English
Plumian
From Plume + -ian.
Formed from Plume + -ian
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 Of or relating to Thomas Plume, Archdeacon of Rochester, or the academic professorship of astronomy and experimental philosophy that he founded at the University of Cambridge in 1704.
Language periods are conventional ranges, not dates for this word.
Etymograph / Plumian