passer la main

Etymology
lit. 'to pass the hand' or 'to hand over the lead'; from poker.

Verb

 * 1)  to step down (in favour/favor of), to stand aside (in favour/favor of), to pass the mantle (to), to pass the torch (on to), to pass the baton (on to), to hand the reins (to); to hang up one's boots (in favour/favor of)