The story
- Latin · derived frombenefaciō“benefit someone”
- Medieval Latin · derived frombenefactor“he who bestows a favor”
- Middle English · inherited frombenefactor
- English todaybenefactor
From Middle English benefactor, borrowed from Medieval Latin benefactor (“he who bestows a favor”), from Latin benefaciō (“benefit someone”), from bene (“good”) + faciō (“do, make”).
Etymology from Wiktionary, CC BY-SA 4.0.