Where does “indubbio” come from?

indubbio (Italian) comes from Latin indubius, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

indubbio (Italian): undoubted, certain, sure

Definitions

  1. undoubted, certain, sure

Ancestry of “indubbio”, step by step

StepLanguageWordMeaning
1Latinindubiuscertain, not in doubt
2Latinīn-un-, non-, not
3Latinînin, at, on, upon, from (space)
4Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
5Proto-Italicenin
6Proto-Indo-Europeanh₁énin

Words derived from “indubbio”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →