cavatelli (uncountable)
Italian cavatelli (literally “little hollows”), plural diminutive of cavato (“hollow”) (+ -ello (“diminutive”), pluralized), form of cavare (“to hollow”), from Latin cavāre, infinitive of cavō (“I hollow”), from cavus (“hollow, cavity”) (English cave), from Proto-Indo-European *ḱówHwos, from *ḱówH-.