Etymology Explorer › English

Where does “assiduous” come from?

Assiduous comes from Latin assiduus, meaning constant or devoted, from assidere (to sit beside), combining ad- (to) with sed- (to sit) in Proto-Indo-European.

assiduous (English): Hard-working, diligent or regular ; industrious

Definitions

  1. Hard-working, diligent or regular ; industrious

Ancestry of “assiduous”, step by step

StepLanguageWordMeaning
1Latinassiduusconstant, regular, perpetual; unremitting,...
2Latinassideō—
3Latinad-to; usually prefixed to verbs, in which cases it...
4Latinīn-—
5Latinîn—
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

Words derived from “assiduous”

  • assiduously
  • assiduousness
  • unassiduous
Every word from Proto-Indo-European h₁én →