Where does “assiduously” come from?

Assiduously derives from Latin assiduus, meaning constant or devoted, from assidere, to sit beside, combining Latin ad- with sedere, to sit.

assiduously (English): In an assiduous manner; diligently, industriously

Definitions

  1. In an assiduous manner; diligently, industriously

Ancestry of “assiduously”, step by step

StepLanguageWordMeaning
1EnglishassiduousHard-working, diligent or regular (in attendance or work); industrious
2Latinassiduusconstant, regular, perpetual; unremitting,...
3Latinassideōto sit by or near someone or something
4Latinad-to; usually prefixed to verbs, in which cases it...
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-
assiduously — Etymology, Origin & Word History | Etymology Explorer