-ucho

Probably from Latin -usculus.

-ucho m (noun-forming suffix, plural -uchos, feminine -ucha, feminine plural -uchas)

1. forms diminutives: gorducho, papelucho, casucha

Uncertain. Possibly from Latin -usculus.[1] It has also been interpreted as an alternative form of the suffix -acho.

-ucho m (noun-forming suffix, plural -uchos)

1. forms pejoratives from nouns and adjectives

   ‎hotel (“hotel”) + ‎-ucho → ‎hotelucho (“lousy hotel”)

   ‎cuarto (“bedroom”) + ‎-ucho → ‎cuartucho (“small/shabby bedroom”)

• Used especially after masculine nouns. Compare -ucha.

• -aco
• -acho
• -achón
• -arrón
• -ejón
• -orro
• -ote
• -uco
• -ujo
• -uza

• “-ucho”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014