Yours, Etc.: Origins and Uses of 8 Sign-Offs
late 14c., carpentrie, from Old French carpenterie, charpenterie "carpentry" (Modern French charpenterie), from Latin carpentaria (fabrica) "carriage-maker's (workshop);" see carpenter.
the art and trade of cutting, working, and joining timber. The term includes both structural timberwork in framing and items such as doors, windows, and staircases.