Where does “crustache” come from?

crustache (English) comes from English crust, from Middle English cruste, from Anglo-Norman cruste, from Latin crusta, from Proto-Italic *krustos, from Proto-Indo-European krustós, from Proto-Indo-European krews- — to form a crust, begin to freeze.

crustache (English): A sparse or wispy mustache

Definitions

  1. A sparse or wispy mustache

Ancestry of “crustache”, step by step

crustache traces back through two separate lines of ancestry.

via English crust

StepLanguageWordMeaning
1EnglishcrustA more solid, dense or hard layer on a surface or...
2Middle Englishcrustecrust
3Anglo-Normancruste
4LatincrustaThe hard surface of a body; rind, shell, crust,...
5Proto-Italic*krustos
6Proto-Indo-Europeankrustóshardened
7Proto-Indo-Europeankrews-to form a crust, begin to freeze

via English mustache

StepLanguageWordMeaning
1EnglishmustacheAlternative spelling of moustache
Every word from Proto-Indo-European krews-Every word from Proto-Indo-European krustósEvery word from Proto-Italic *krustos