Where does “unliveableness” come from?

unliveableness (English) comes from English unliveable, from English liveable, from English livable, from English live, from English -en, from Middle English -en, from Old English -en, from Old Norse -inn — adjectival suffix.

Ancestry of “unliveableness”, step by step

StepLanguageWordMeaning
1EnglishunliveableAlternative spelling of unlivable
2EnglishliveableAlternative spelling of livable
3EnglishlivableEndurable, survivable, suitable for living in,...
4EnglishliveTo be alive; to have life; To have permanent...
5English-enDenotes the past participle form when attached to...
6Middle English-enDenotes the past participle form when attached to...
7Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
8Old Norse-innUsed to create adjectives from nouns, meaning...
9Proto-Norse-īna-
10Proto-Germanic-īnaz-en
11Proto-Indo-European-iHnosCreates adjectives of materials
12Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-
unliveableness — Etymology, Origin & Word History | Etymology Explorer