forester (n.)youdaoicibaDictYouDict[forester 词源字典]
late 13c. (late 12c. as a surname), "officer in charge of a forest," from Old French forestier "forest ranger, forest-dweller" (12c., also, as an adjective, "wild, rough, coarse, unsociable"), from forest (see forest (n.)).[forester etymology, forester origin, 英语词源]