Where does “crustandus” come from?

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

Definitions

Ancestry of “crustandus”, step by step

StepLanguageWordMeaning
1LatincrustoI cover with a rind, shell, incrustation,...
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
Every word from Proto-Indo-European krews- →Every word from Proto-Indo-European krustós →Every word from Proto-Italic *krustos →