early 14c. (attested from 1121 as a surname), from O.N.Fr. carpentier (O.Fr. charpentier), from L.L. (artifex) carpentarius "wagon (maker)," from L. carpentum "two-wheeled carriage, cart," from Gaul., from O.Celt. *carpentom (cf. O.Ir. carpat, Gael. carbad "carriage"), probably related to Gaul. karros (see car). Replaced O.E. treowwyrhta. First record of carpenter bee is from 1844.