verb/ʁə.lɛ.je/
to relay, change horses; to relieve, take over from; to replace; to transmit, relay (information); to take turns, to alternate
“La rue, – où passaient chaque nuit deux diligences en sens inverses […] qui toutes deux s'arrêtaient à l’Hôtel de la Poste pour relayer, – la rue était silencieuse comme le fond d'un puits.” — The street – where every night two carriages passed in opposite directions, both of which stopped at the Hôtel de la Poste to change horses – the street was as silent as the bottom of a well.
From re- + laier (“old dialect term: to leave”).