Where does “nadador-salvador” come from?

nadador-salvador (Portuguese) comes from Portuguese nadador, from Latin natator, from Latin natō, from Latin -tō, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

nadador-salvador (Portuguese): lifeguard

Definitions

  1. lifeguard

Ancestry of “nadador-salvador”, step by step

nadador-salvador traces back through two separate lines of ancestry.

via Portuguese nadador

StepLanguageWordMeaning
1Portuguesenadadorswimmer
2Latinnatatorswimmer; second-person singular future passive...
3Latinnatōto swim or float
4Latin-tōForms here
5Latin-tusForms the past participle of verbs; Forms...
6Proto-Italic-tus
7Proto-Indo-European-tusDerives action nouns from verb roots

via Portuguese Salvador

StepLanguageWordMeaning
1PortugueseSalvadorsavior
2Latinsalvātorsaviour
3Latinsalvōto save (make safe or healthy)
4Latinsalvussafe, saved, preserved, sound, unharmed,...
5Proto-Italic*salawoswhole
6Proto-Indo-Europeansolh₂wós
7Proto-Indo-Europeansōlh₂-mercy, comfort; comfort, mercy
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō