From Wiktionary, the free dictionary
From cacca (“poop”) + -ola (diminutive suffix).
caccola f (plural caccole)
- booger
- sleep (in the eyes)
- lump of feces attached to the coat of a sheep
- caccola in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana