vagabond: [15] A vagabond is etymologically a ‘wanderer’. The word comes via Old French vagabond from Latin vagābundus, which was derived from vagārī ‘wander’ (source also of English termagant, vagary [16], and vagrant [15]). And vagārī in turn was based on vagus ‘wandering, undecided’ (source also of English vague [16]). => termagant, vagary, vagrant, vague[vagabond etymology, vagabond origin, 英语词源]