ensombrecer - to cast a shadow over (literally or figuratively), to saddenSpanish example: Recuerdo del tsunami ensombreció celebración de la Navidad
English example: I remember that the tsunami put a damper on the Christmas celebration.
Source: ensombrecer - to cast a shadow over (literally or figuratively), to sadden (https://www.123teachme.com/spanish_feeds/word_of_the_day/2026/4/13)