Where does “unassumable” come from?

unassumable (English) comes from English assumable, from English assume, from Latin assūmō, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

unassumable (English): Not assumable

Definitions

  1. Not assumable

Ancestry of “unassumable”, step by step

unassumable traces back through two separate lines of ancestry.

via English assumable

StepLanguageWordMeaning
1EnglishassumableCapable of being assumed, or taken to be true;...
2EnglishassumeTo authenticate by means of belief; to surmise;...
3Latinassūmōto take up, receive, adopt, accept, or assume
4Latinad-to; usually prefixed to verbs, in which cases it...
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-