enfermar
/enfeɾˈmaɾ/ · A2 · verb
to become ill
🤒 en + fermo: Latin infirmus = not firm, same root as infirm and infirmary
Enfermar comes from enfermo (sick), from Latin infirmus: in- (not) + firmus (firm, strong). English keeps the same root in infirm and infirmary. To enfermar is to become not-firm, or to make someone so.