Paid
来自Big Physics
Middle English (in the sense ‘pacify’): from Old French paie (noun), payer (verb), from Latin pacare ‘appease’, from pax, pac- ‘peace’. The notion of ‘payment’ arose from the sense of ‘pacifying’ a creditor.
wiktionary
From pay + -ed.
From Middle English paid, payd, ipaid, ypayd, past participle of Middle English paien, payen(“to pay”), equivalent to pay + -ed.
