Where does “nadar” come from?

nadar (Old Catalan) comes from Latin natō, from Latin -tō, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “nadar”, step by step

StepLanguageWordMeaning
1Latinnatōto swim or float
2Latin-tōForms here
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus
5Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “nadar

Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō