"Moscoso" is a Spanish surname pronounced as /mosˈkoso/. The letter "o" in the first and last syllables is pronounced as the English "oh." The "s" in the second syllable is pronounced as the English "s," while in the last syllable, it is pronounced as the English "th," producing the "soh" sound. The letter "c" is pronounced as "k" before "a," "o," or "u" and "s" before "e" or "i." Thus, "Moscoso" features the unique spelling of Spanish origin.
The word moscoso is derived from the Spanish language, specifically from the word mosca, which means fly in English. In Spanish, the suffix -oso is commonly added to nouns to form adjectives that mean full of or abounding in. Therefore, moscoso can be interpreted as full of flies or abounding in flies.