Where does “acidulously” come from?

acidulously (English) comes from English acidulous, 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.

acidulously (English): In an acidulous manner; in a mildly sour or acid...

Definitions

  1. In an acidulous manner; in a mildly sour or acid...

Ancestry of “acidulously”, step by step

StepLanguageWordMeaning
1EnglishacidulousSlightly sour; sub-acid; sourish; Sharp; caustic;...
2Latinacidulussomewhat sour, sourish, acidulous
3Latinacidussour, tart, acid, bitter; harsh, grating, rough,...
4Latinaceōto be sour
5Proto-Italicakēōbe sharp-tasting, be sour
6Proto-Indo-Europeanh₂eḱ-éh₁-ye-ti
7Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂eḱ-éh₁-ye-tiEvery word from Proto-Italic akēō