Where does “crosta” come from?

crosta (Portuguese) comes from Latin crusta, from Proto-Italic *krustos, from Proto-Indo-European krustós, from Proto-Indo-European krews- — to form a crust, begin to freeze.

crosta (Portuguese): crust; scab

Definitions

  1. crust; scab

Ancestry of “crosta”, step by step

StepLanguageWordMeaning
1LatincrustaThe hard surface of a body; rind, shell, crust,...
2Proto-Italic*krustos—
3Proto-Indo-Europeankrustóshardened
4Proto-Indo-Europeankrews-to form a crust, begin to freeze
Every word from Proto-Indo-European krews- →Every word from Proto-Indo-European krustós →Every word from Proto-Italic *krustos →