Where does “killingness” come from?

killingness (English) comes from English killing, from Middle English kyllyng, from Middle English -ynge, from Old English -ung, from Proto-Germanic -ungō — -ing, -ion. "Forms gerund nouns from verbs.".

killingness (English): The quality of being devastatingly attractive

Definitions

  1. The quality of being devastatingly attractive

Ancestry of “killingness”, step by step

killingness traces back through two separate lines of ancestry.

via English killing

StepLanguageWordMeaning
1Englishkillingpresent participle of kill; That literally...
2Middle EnglishkyllyngThe action of killing somebody, slaying
3Middle English-yngeAlternative form of -ing
4Old English-ungforming nouns from verbs, denoting verbal action...
5Proto-Germanic-ungō-ing, -ion. "Forms gerund nouns from verbs."

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-Germanic -ungōEvery word from Old English -ungEvery word from Middle English -ynge