verb/ʁu.pi.je/
to drowse, to doze; to (get some) sleep, to kip
“Si lassé des voisins qui roupillent / Par la vitre baissée, tu te dessilles / En comptant les points d'or de la nuit / E Pericoloso Sporgersi”
Probably from or related to German dialectal ruspen, ruspern (“to snore, groan, grumble, retch”). If so, then cognate with Low German ruspen, Middle Dutch ruyspen, German räuspern (“to clear the throat”).