Where does “untillable” come from?

untillable (English) comes from English tillable, from English -able, from Middle English -able, from Old French -able, from Latin -ābilis — suffixed to noun to form adjectives meaning "able to have or bring, prone to have or bring, having the power to have or bring": -able.

untillable (English): Not tillable

Definitions

  1. Not tillable

Ancestry of “untillable”, step by step

untillable traces back through two separate lines of ancestry.

via English tillable

StepLanguageWordMeaning
1Englishtillableable to be tilled or ploughed; arable
2English-ableAn adjectival suffix; forms adjectives meaning
3Middle English-ableable
4Old French-ableworthy of, deserving of; -ing, creating an...
5Latin-ābilissuffixed to noun to form adjectives meaning "able to have or bring, prone to have or bring, having the power to have or bring": -able

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Latin -ābilisEvery word from English -ableEvery word from Middle English -able