Where does “Cadeddu” come from?

Cadeddu (Italian) comes from Sardinian cadeddu, from Latin catellus, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

Ancestry of “Cadeddu”, step by step

StepLanguageWordMeaning
1Sardiniancadeddu—
2Latincatelluspuppy, whelp
3Latin-lusAlternative form of -ulus; diminutive suffix
4Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
5Proto-Indo-European-e-lós—
6Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lós →Every word from Latin -lus →Every word from Latin catellus →