Donate

google

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late 18th century: back-formation from donation.

wiktionary

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Circa 1845, back-formation from donation, chiefly in American English. Ultimately from Latin dōnāre(“to give”).

etymonline

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donate (v.)

"to give, present as a gift, contribute," 1819, a back-formation from donation. OED and Century Dictionary mark it as (chiefly) U.S. Related: Donated; donating.