Origin of trebuchetMiddle English ; from Old French ; from trebucher, to stumble ; from tre- (; from Classical Latin trans-, trans-) + buc, trunk, body ; from Frankish an unverified form buk, trunk, akin to German bauch, belly ; from Proto-Germanic an unverified form bhug- ; from Indo-European an unverified form bh?-, variant, variety of base an unverified form bheu-, to grow, swell from source be
Origin of trebuchetMiddle English, from Old French, from trebucher, to overthrow : tre-, over (from Latin trans-; see trans–) + but, trunk of the body (of Germanic origin).
From Old French trebuchet, trebuket et al. (modern trÃ©buchet), from trebuchier (“to overthrow, topple"), from tre- + *buchier, from Old French buc (“trunk of the body"), from Old Frankish *bÅ«k (“belly, trunk, torso"), from Proto-Germanic *bÅ«kaz (“belly, abdomen, trunk"), from Proto-Indo-European *bÊ°Åw- (“to blow, swell"). Cognate with Old High German bÅ«h (“belly"), Old English bÅ«c (“belly, trunk"). More at bouk.