The story
- Proto-Indo-European · derived from*pl̥h₁nós“full”
- Latin · derived fromplenitatem
- Old French · derived fromplentiveus“fertile, rich”
- Middle English · inherited fromplentewos
- English todayplenteous
From Middle English plentewos, plentevous, et al., circa 1300, from Old French plentiveus (“fertile, rich”) (early 13th century), from plentif (“abundant”), from plenté (“abundance”) (Modern French pleinté, English plenty), from Latin plenitatem, accusative of plenitas (“fullness”), from plenus (“complete, full”), from Proto-Indo-European *pl̥h₁nós (“full”).
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.