Lewis Short
(adjective) : quādrīmus, a, um, quattuor and root ghim-, him-, of Sanscr. himas, snow; cf. Gr. χιών, χεῖμα; Lat. hiems, hibernus; hence, of four winters
* Of four years, four years old (class.): de quadrimo Catone,of Cato of Utica, when four years old,Cic. Fam. 16, 22, 1; cf.: infantem natum esse quadrimo parem,Liv. 27, 37: boves,Varr. R. R. 1, 20, 5: merum,Hor. C. 1, 9, 7: vitis,Col. 4, 16, 1: dies,a term of four years,Dig. 23, 4, 19: equae,Plin. 8, 44, 69, § 171.
Charlton T. Lewis, Charles Short, A Latin Dictionary