C
cabar, a rafter, caber, deer's horn, Ir. cabar, W. ceibr, rafters, O. Br. cepriou, beams; from a Med. Lat. *caprio, a rafter, capro, caprones (which exists as a genuine 8th century word),
Fr. chevron, rafter. caprio is from caper, goat; Lat. capreoli, goat-lets, was used for two beams meeting to support something, props, stays.