Where does “unassignably” come from?

unassignably (English) comes from English unassignable, from English assignable, from English assign, from Middle English assignen, from Old French assigner, from Latin assignō, from Latin ad-, from Latin īn- — in.

unassignably (English): In an unassignable manner

Definitions

  1. In an unassignable manner

Ancestry of “unassignably”, step by step

unassignably traces back through two separate lines of ancestry.

via English unassignable

StepLanguageWordMeaning
1EnglishunassignableNot assignable
2EnglishassignableCapable of being assigned; Capable of being...
3EnglishassignTo designate or set apart something for some...
4Middle Englishassignento assign, allot
5Old Frenchassignerto assign
6Latinassignōto appoint to, assign, distribute, allot, allocate
7Latinad-to; usually prefixed to verbs, in which cases it...
8Latinīn-un-, non-, not
9Latinînin, at, on, upon, from (space)
10Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
11Proto-Italicenin
12Proto-Indo-Europeanh₁énin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁én