Constans, antis, m.,
a Roman proper name , Aur. Vict. Epit. 41; Eutr. 10, 9.
cōnstāns antis, adj.with comp.and sup.P. of consto, firm, unchangeable, constant, immovable, unifo...
An Elementary Latin Dictionary
constans, antis, Part. and P. a., from consto. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.