He nudged me to go ahead.

French Translation

Il me poussa du coude à poursuivre.

To Nudge -->to encourage or persuade someone to do something in a way that is gentle rather than forceful or direct: Here it is a literal translation.Without much context, I’m resorting to the much more likely figurative meaning.He supported/strong me to go ahead.
Il m’a encouragé/soutenu dans ma démarche.