Antecursor

·noun A forerunner; a precursor.

antecursor
antĕcursor, ōris, m. [antecurro], he that runs before; hence, I In milit. lang.: antecursores, th...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
antecursor
antecursor ōris, m antecurro.—Prop., a forerunner ; only plur, the vanguard, pioneers , Cs. ...

An Elementary Latin Dictionary