n. [ F. trisaïeul, from L. tris, tres, three + F. aïeul grandfather. Cf. Besaiel, and see Ayle. ] A grandfather's grandfather. [ Obs. ] [ 1913 Webster ]
Writ of tresayle (O. Eng. Law),
n. A sale at second hand, or at retail; also, a second sale. Bacon. [ 1913 Webster ]