aclarar
/aklaˈɾaɾ/ · B1 · verb
to clarify, clear
💡💧 a-CLAR-ar = make claro (clear): same root as English clarify
From Latin clarus, clear, also the root of clarify and claret. To aclarar a doubt is to make it clear, and to aclarar a sauce or paint is to thin it out and make it lighter or clearer.