verb/ʁɑ̃.tʁe/
to go back, to re-enter; to go (back) home, to come (back) home; to get in, to go in, to fit in; to bring in, to get in, to put in; to score (a goal)
“rentrer dans la salle” — go back in(to) the room/re-enter the room
From Old French, re- + entrer.