charabanc (n.)youdaoicibaDictYouDict[charabanc 词源字典]
British for "sightseeing bus," 1811, originally in a Continental context (especially Swiss), from French char-à-bancs, literally "benched carriage," from char "wagon," from Latin carrus (see car) + à "to" (see ad-) + banc "bench" (see bench (n.)).[charabanc etymology, charabanc origin, 英语词源]