Where does “unpossibility” come from?

unpossibility (English) comes from English possibility, from Middle English possibilite, from Middle French possibilité, from Old French possibilité, from Latin possibilitās, from Latin possibilis, from Latin -bilis, from Proto-Italic -ðlis — Alternative form of *-trom; instrumental suffix;...

unpossibility (English): Impossibility

Definitions

  1. Impossibility

Ancestry of “unpossibility”, step by step

unpossibility traces back through two separate lines of ancestry.

via English possibility

StepLanguageWordMeaning
1EnglishpossibilityThe quality of being possible; A thing possible;...
2Middle Englishpossibilitepossibility; option
3Middle Frenchpossibilité
4Old Frenchpossibilitépossibility
5Latinpossibilitāspossibility
6Latinpossibilispossible, that may exist, that may be done
7Latin-bilis-ble
8Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
9Proto-Indo-European-dʰlis
10Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin possibilis