Bought
来自Big Physics
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Old English bycgan, of Germanic origin.
wiktionary
See buy.
From Middle English bought, bowght, bouȝt, *buȝt, probably an alteration of bight, biȝt, byȝt(“bend, bight”) after bowen, buwen, buȝen(“to bow, bend”). Cognate with Scots boucht, bucht, bout(“bend”). More at bight.
etymonline
bought
past tense and past participle of buy (v.).
