malleable (adj.)youdaoicibaDictYouDict[malleable 词源字典]
late 14c., "capable of being shaped by hammering," from Middle French malleable and directly from Medieval Latin malleabilis, from malleare "to beat with a hammer," from Latin malleus "hammer" (see mallet). Figurative sense, of persons, "capable of being adapted" first recorded 1610s.[malleable etymology, malleable origin, 英语词源]