Where does “unimpeachability” come from?

unimpeachability (English) comes from English unimpeachable, from English impeachable, from English impeach, from Middle English empechen, from Anglo-Norman empecher, from Old French empeechier, from Latin impedico, from Latin pēdica — Derives agent nouns from verbs, denoting someone...

unimpeachability (English): The state or condition of being unimpeachable;...

Definitions

  1. The state or condition of being unimpeachable;...

Ancestry of “unimpeachability”, step by step

unimpeachability traces back through two separate lines of ancestry.

via English unimpeachable

StepLanguageWordMeaning
1EnglishunimpeachableNot able to be impeached or reproached;...
2EnglishimpeachableAble to be impeached; That warrants impeachment
3EnglishimpeachTo hinder, impede, or prevent; To bring a legal...
4Middle EnglishempechenTo hinder; to impede; To formally accuse
5Anglo-Normanempecher
6Old Frenchempeechierto fetter; to hinder
7LatinimpedicoI fetter; I entangle
8Latinpēdicashackle, fetter
9Latinpēsa foot, in its senses as
10Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
11Ancient Greek-τρονForms instrument nouns
12Proto-Hellenic-tronForms instrument nouns from verb stems
13Proto-Indo-European-tromForms nouns denoting a tool or instrument
14Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον