This is the 11500th most frequent French word.
reviendra
"Reviendra" means "will come back" (future tense of "revenir").
The word 'reviendra' here signifies the action of returning, specifically in a future tense context.
Il reviendra demain pour terminer le projet.
He will come back tomorrow to finish the project.
The word 'reviendra' in this sentence is used in a conditional sense, indicating a future action contingent on a condition.
Si elle a besoin de quelque chose, elle reviendra vous voir.
If she needs something, she will come back to see you.
In this case, 'reviendra' is used to denote returning from a journey, also in the future tense.