Spanish word pereza comes from Latin piger (Backward, slow, dull, lazy, indolent, sluggish, inactive.)
piger (Latin)
Backward, slow, dull, lazy, indolent, sluggish, inactive.
pigritia (Latin)
Sloth, sluggishness, laziness, indolence.
pereza (Spanish)
(colloquial) a drag (something tedious). Laziness.