Where does “unpasturable” come from?

unpasturable (English) comes from English pasturable, from English pasture, from Middle English pasture, from Old French pasture, from Latin pastūra, from Latin pāstus, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

unpasturable (English): Not pasturable

Definitions

  1. Not pasturable

Ancestry of “unpasturable”, step by step

unpasturable traces back through two separate lines of ancestry.

via English pasturable

StepLanguageWordMeaning
1EnglishpasturableFit for pasture
2EnglishpastureLand, specifically, an open field, on which...
3Middle Englishpasture
4Old Frenchpasturepasture grassy field upon which cattle graze
5Latinpastūrapasture, grazing ground
6Latinpāstushaving eaten, consumed
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -tus