-uelo

From Latin -olus.

-uelo m (noun-forming suffix, plural -uelos)
-uelo (adjective-forming suffix, feminine -uela, masculine plural -uelos, feminine plural -uelas)

1. diminutive suffix for nouns

   ‎arroyo (“stream”) + ‎-uelo → ‎arroyuelo (“brook, small stream”)

2. emphasizes contempt for the subject

• Little used in modern Spanish. Sometimes takes the form -zuelo or -ichuelo.

• “-uelo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 10 December 2024