far-fetched (adj.)youdaoicibaDictYouDict[far-fetched 词源字典]
also far fetched, farfetched, 1560s, "brought from afar," from far (adv.) + past participle of fetch (v.). An earlier form was far fet (1530s). Figurative sense is from c. 1600.[far-fetched etymology, far-fetched origin, 英语词源]