
Spanish word perezoso comes from Spanish pereza ((colloquial) a drag (something tedious). Laziness.), Spanish -oso (-ous, -ful, -y.)
If you have questions about the etymology of perezoso or Spanish in general, you can practice and get feedback from a professional tutor.
pereza (Spanish)
(colloquial) a drag (something tedious). Laziness.
-oso (Spanish)
-ous, -ful, -y.
perezoso (Spanish)
Lazy Sloth (mammal).