ranariumyoudaoicibaDictYouDict[ranarium 词源字典]
"A place for keeping and breeding frogs", Early 19th cent.; earliest use found in John Loudon (1783–1843), landscape gardener and horticultural writer. From classical Latin rāna frog + -arium, after herbarium, vivarium, etc.[ranarium etymology, ranarium origin, 英语词源]