Where does “acrum” come from?

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

Ancestry of “acrum”, step by step

acrum traces back through two separate lines of ancestry.

via Latin acer

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

via Latin acrem

StepLanguageWordMeaning
1Latinacremaccusative masculine singular of ācer; accusative...

Words derived from “acrum

Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European *h₂eḱrósEvery word from Proto-Italic akris
acrum — Etymology, Origin & Word History | Etymology Explorer