The earliest overall look of the phrase "trebuchet" dates to your late twelfth century. The term trabuchellus appeared alongside manganum and prederia within a doc in Vicenza on 6 April 1189. Trabucha is identified ten years afterwards with predariae in the siege of Castelnuovo Bocca d'Adda in an account https://jamesa950qgw5.wikinstructions.com/user