Where does “crustose” come from?

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

crustose (English): Of a lichen, growing tightly appressed to the...

Definitions

  1. Of a lichen, growing tightly appressed to the...

Ancestry of “crustose”, step by step

StepLanguageWordMeaning
1Latincrustosuscovered with a hard rind; crusted
2LatincrustaThe hard surface of a body; rind, shell, crust,...
3Proto-Italic*krustos—
4Proto-Indo-Europeankrustóshardened
5Proto-Indo-Europeankrews-to form a crust, begin to freeze

Words derived from “crustose”

Every word from Proto-Indo-European krews- →
crustose — Etymology, Origin & Word History | Etymology Explorer