Where does “extinctness” come from?

extinctness (English) comes from English extinct, from Latin extīnctus, from Latin extinguo, from Latin stinguo, from Proto-Italic *stengʷō — to push.

extinctness (English): The quality of being extinct; extinction

Definitions

  1. The quality of being extinct; extinction

Ancestry of “extinctness”, step by step

extinctness traces back through two separate lines of ancestry.

via English extinct

StepLanguageWordMeaning
1EnglishextinctExtinguished, no longer alight; No longer used;...
2Latinextīnctusquenched, extinguished
3LatinextinguoI quench, extinguish, kill
4LatinstinguoI put out, extinguish
5Proto-Italic*stengʷōto push

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-Italic *stengʷōEvery word from Latin stinguoEvery word from Latin extinguo
extinctness — Etymology, Origin & Word History | Etymology Explorer