c.1175, "indolence, sluggishness," formed from M.E. slou, slowe
); replacing O.E. slæwð
. Sense of "slowness, tardiness" is from c.1380. As one of the deadly sins, it translates L. accidia.
The slow-moving mammal first so called 1613, a translation of Port. preguiça,
from L. pigritia
"laziness" (cf. Sp. perezosa
"slothful," also "the sloth").