navigation (n.)youdaoicibaDictYouDict[navigation 词源字典]
1530s, from Middle French navigation (14c.) or directly from Latin navigationem (nominative navigatio) "a sailing, navigation, voyage," noun of action from past participle stem of navigare "to sail, sail over, go by sea, steer a ship," from navis "ship" (see naval) + root of agere "to drive" (see act (n.)).[navigation etymology, navigation origin, 英语词源]