enviudar - to be a widow or widower, to become a widow or widowerSpanish example: Las hijas de Roberto no han sido vistas desde que enviudaron.
English example: Robert's daughters have not been seen since they were widowed.
Source: enviudar - to be a widow or widower, to become a widow or widower (https://www.123teachme.com/spanish_feeds/word_of_the_day/2020/11/2)