avisar
/abiˈsaɾ/ · A2 · verb
to tell, tip off, notify, inform
📢 avisar = to advise: give someone a heads-up, same root as English advise
From French aviser, the same source as English advise and advice. In Spanish the sense narrowed to giving notice: you avisar someone when you tell them, warn them, or call in a professional such as a doctor or plumber.