Where does “nonviability” come from?

nonviability (English) comes from English viability, from English viable, from French viable, from French vie, from Old French vie, from Old French viḍe, from Latin vitam, from Latin vīta — to live.

nonviability (English): The state or condition of being nonviable;...

Definitions

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

Ancestry of “nonviability”, step by step

nonviability traces back through two separate lines of ancestry.

via English viability

StepLanguageWordMeaning
1EnglishviabilityThe property of being viable; the ability to live...
2EnglishviableAble to live on its own; Able to be done,...
3Frenchviableviable, feasible
4Frenchvielife, the state of organisms prior to death;...
5Old Frenchvielife
6Old Frenchviḍe
7Latinvitamaccusative singular of vīta
8Latinvītalife
9Latinvīvōto live
10Proto-Italicgʷīwōlive, be alive
11Proto-Indo-Europeangʷíh₃wetito live, to be alive
12Proto-Indo-Europeangʷih₃wósalive, living
13Proto-Indo-Europeangʷeih₃w-to live

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European gʷeih₃w-Every word from Proto-Indo-European gʷih₃wósEvery word from Proto-Indo-European gʷíh₃weti