Morpheme
-illo
Type
suffix
Denotation
diminutive suffix
Etymology
Spanish -illo; Old Spanish -iello; Latin -ellus, from rebracketing of diminutives (e.g. libellus from liber + -lus, fēmella from fēmina + -la) and diminutives of diminutives (porcellus from porculus + -lus), variant of -ulus
Evidence
armadillo, peccadillo, tomatillo
