Where does “undeadness” come from?

undeadness (English) comes from English undead, from English dead, from English -en, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz — adjectival suffix.

undeadness (English): The state or condition of being undead

Definitions

  1. The state or condition of being undead

Ancestry of “undeadness”, step by step

undeadness traces back through two separate lines of ancestry.

via English undead

StepLanguageWordMeaning
1EnglishundeadPertaining to a corpse, though having qualities...
2EnglishdeadNo longer living; Devoid of life; Figuratively,...
3English-enDenotes the past participle form when attached to...
4Middle English-enDenotes the past participle form when attached to...
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European -no-Every word from Middle English -enEvery word from English -en