prae-signĭfĭco, āre, v. a.,
to show or signify beforehand , to foreshow , presignify (only in the foll. passages): hominibus quae sint futura, Cic. Div. 1, 38, 82; 2, 49, 101.
prae-sīgnificō —, —, āre, to indicate beforehand: hominibus quae sint futura. ...
An Elementary Latin Dictionary