Where does “assíduo” come from?

assíduo (Portuguese) comes from Latin assiduus, from Latin assideō, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

assíduo (Portuguese): assiduous hard-working, diligent

Definitions

  1. assiduous hard-working, diligent

Ancestry of “assíduo”, step by step

StepLanguageWordMeaning
1Latinassiduusconstant, regular, perpetual; unremitting,...
2Latinassideōto sit by or near someone or something
3Latinad-to; usually prefixed to verbs, in which cases it...
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-