Where does “acidulous” come from?

acidulous (English) comes from Latin acidulus, from Latin acidus, from Latin aceō, from Proto-Italic akēō, from Proto-Indo-European h₂eḱ-éh₁-ye-ti, from Proto-Indo-European h₂eḱ- — sharp.

acidulous (English): Slightly sour; sub-acid; sourish; Sharp; caustic;...

Definitions

  1. Slightly sour; sub-acid; sourish; Sharp; caustic;...

Ancestry of “acidulous”, step by step

StepLanguageWordMeaning
1Latinacidulussomewhat sour, sourish, acidulous
2Latinacidussour, tart, acid, bitter; harsh, grating, rough,...
3Latinaceōto be sour
4Proto-Italicakēōbe sharp-tasting, be sour
5Proto-Indo-Europeanh₂eḱ-éh₁-ye-ti—
6Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “acidulous”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱ-éh₁-ye-ti →Every word from Proto-Italic akēō →