Lewis Short
fundāmen (noun N) : 2. fundo
* A foundation (poet. for the class. fundamentum; mostly in plur.): ponere fundamina,Verg. G. 4, 161: Siculae terrae,Ov. M. 5, 361: rerum,id. ib. 15, 433; id. F. 4, 835.—In sing.: fundamine magno res Romana valet,Ov. M. 14, 808; Hier. Gal. 4, 1; 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary