Where does “acerrimo” come from?

acerrimo (Italian) comes from Latin acerrimus, from Latin acer, from Proto-Italic akris, from Proto-Indo-European *h₂eḱrós, from Proto-Indo-European h₂eḱ- — sharp.

acerrimo (Italian): superlative degree of acre; very sour; bitter

Definitions

  1. superlative degree of acre; very sour; bitter

Ancestry of “acerrimo”, step by step

StepLanguageWordMeaning
1Latinacerrimussharpest; bitterest
2Latinacersharp, sour, bitter, pungent; keen, sharp, acute,...
3Proto-Italicakrissharp; sour-tasting
4Proto-Indo-European*h₂eḱróssharp
5Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “acerrimo”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European *h₂eḱrós →Every word from Proto-Italic akris →