Origin: 1510–20; < Middle French gauvardine, gallevardine < Spanish gabardina, perhaps a conflation of gabán (≪ Arabic qabā men's overgarment) and tabardina, diminutive of tabardotabard
"long, loose outer garment," 1510s, from Sp. gabardina, from M.Fr. galverdine, which is perhaps from M.H.G. wallevart "pilgrimage," in the sense of "pilgrim's cloak." The Spanish form perhaps influenced by gabán "overcoat" and tabardina "coarse coat."