rebuscar
rummage
re-
again, thoroughly
+
buscar
to search
Rebuscar means to rummage and can be thought of as re-0 (thoroughly0) + buscar1 (to search1), so it means to search thoroughly or repeatedly.
verb
- rummageTo search thoroughly or rummage through something.Rebuscó en sus bolsillos buscando las llaves. // He rummaged through his pockets looking for the keys.