Where does “noncrustose” come from?

noncrustose (English) comes from English crustose, 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.

noncrustose (English): Not crustose

Definitions

  1. Not crustose

Ancestry of “noncrustose”, step by step

noncrustose traces back through two separate lines of ancestry.

via English crustose

StepLanguageWordMeaning
1EnglishcrustoseOf a lichen, growing tightly appressed to the...
2Latincrustosuscovered with a hard rind; crusted
3LatincrustaThe hard surface of a body; rind, shell, crust,...
4Proto-Italic*krustos
5Proto-Indo-Europeankrustóshardened
6Proto-Indo-Europeankrews-to form a crust, begin to freeze

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European krews-Every word from Proto-Indo-European krustósEvery word from Proto-Italic *krustos