quword 趣词
Word Origins Dictionary
- penetrate (v.)[penetrate 词源字典]
- 1520s, from Latin penetratus, past participle of penetrare "to put or get into, enter into," related to penitus "within, inmost," penus "innermost part of a temple, store of food," penates "household gods." Related: Penetrated; penetrating.[penetrate etymology, penetrate origin, 英语词源]