T / trĭsaeclĭsĕnex
noun

trĭsaeclĭsĕnex

gen. trĭsaeclĭsĕneis · gender masculine · decl. 3rd
tres-saeculumsenex
the old man of three generations
the old man of three generations, a surname of Nestor, Laev. ap. Gell. 19, 7, 13.