Where does “no duro” come from?

no duro (Portuguese) comes from Portuguese no, from Old Portuguese no, from Old Portuguese eno, from Old Portuguese en, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

no duro (Portuguese): As a fact; really; truthfully

Definitions

  1. As a fact; really; truthfully

Ancestry of “no duro”, step by step

no duro traces back through two separate lines of ancestry.

via Portuguese no

StepLanguageWordMeaning
1PortuguesenoAlternative form of o used as an enclitic...
2Old Portugueseno
3Old Portugueseeno
4Old Portugueseenin
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

via Portuguese duro

StepLanguageWordMeaning
1Portuguesedurohard; unrelenting; unfriendly; severe; brutal;...
2Old Portugueseduro
3Latindurushard, rough; harsh; hardy, vigorous
4Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree
5Proto-Indo-Europeandórutree
6Proto-Indo-Europeanderu-firm, solid; wood; be firm, hard, solid
Every word from Proto-Indo-European h₁énEvery word from Proto-Italic enEvery word from Latin en