roveryoudaoicibaDictYouDict[rover 词源字典]
rover: see rob
[rover etymology, rover origin, 英语词源]
rover (n.)youdaoicibaDictYouDict
late 14c., "sea-robber, pirate," from Middle Dutch rover "robber, predator, plunderer," especially in zeerovere "pirate," literally "sea-robber," from roven "to rob," from Middle Dutch roof "spoil, plunder," related to Old English reaf "spoil, plunder," reafian "to reave" (see reave (v.)). Meaning "remote-controlled surface vehicle" is from 1970.