piscine (n.)youdaoicibaDictYouDict[piscine 词源字典]
c. 1300, "reservoir, bathing pool," from Old French piscine "fishpond," from Latin piscina, from piscis "a fish" (see fish (n.)). Ecclesiastical sense is from late 15c., from Medieval Latin piscina. As an adjective from 1799.[piscine etymology, piscine origin, 英语词源]