tentamen

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

tentāmen, ĭnis, n. [tento],

a trial , essay , attempt (poet.; perh. only in the two foll. passages): prima vocis tentamina sumpsit, Ov. M. 3, 341: tentamina Repellere, id. ib. 7, 734.