renunciar
/renunˈθjaɾ/ · A2 · verb
to quit, to resign
renunciar = English renounce: Latin re- (back) + nuntiare (to announce)
Same root as announce and denounce. To renunciar is to announce yourself back out of something: a job, a right, a habit. Takes the preposition a: renunciar a su puesto = to resign from one's post.