Benefactor
来自Big Physics
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late Middle English: from Latin, from bene facere ‘do good (to)’ (see benefaction).
wiktionary
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”).
etymonline
benefactor (n.)
"one who confers a benefit, a kindly helper," especially "one who endows a charitable institution," mid-15c., from Late Latin benefactor, from Latin phrase bene facere, from bene "well" (see bene-) + facere "to do" (from PIE root *dhe- "to set, put"). Translated in Old English as wel-doend. Also in 15c. benefetour, from Old French bienfaiteur.
