potential (adj.)youdaoicibaDictYouDict[potential 词源字典]
late 14c., "possible" (as opposed to actual), from Old French potenciel and directly from Late Latin potentialis "potential," from Latin potentia "power, might, force;" figuratively "political power, authority, influence," from potens "powerful" (see potent). The noun, meaning "that which is possible," is first attested 1817, from the adjective.[potential etymology, potential origin, 英语词源]