seminal (adj.)youdaoicibaDictYouDict[seminal 词源字典]
late 14c., "of seed or semen," from Old French seminal (14c.) and directly from Latin seminalis, from semen (genitive seminis) "seed" (see semen). Figurative sense of "full of possibilities" is attested from 1630s. Related: Seminally; seminality.[seminal etymology, seminal origin, 英语词源]