Where does “unextinguishableness” come from?

unextinguishableness (English) comes from English unextinguishable, from English extinguishable, from English extinguish, from French éteindre, from Italian estinguere, from Latin extinguere, from Latin extinguo, from Latin stinguo — to push.

unextinguishableness (English): inextinguishability

Definitions

  1. inextinguishability

Ancestry of “unextinguishableness”, step by step

unextinguishableness traces back through two separate lines of ancestry.

via English unextinguishable

StepLanguageWordMeaning
1EnglishunextinguishableObsolete form of inextinguishable
2EnglishextinguishableAble to be extinguished
3Englishextinguishto put out, as in fire; to end burning; to...
4Frenchéteindreto turn off; to put out; to die out, fade
5Italianestinguereto put out, extinguish; to pay off; to close
6Latinextingueresecond-person singular future passive indicative...
7LatinextinguoI quench, extinguish, kill
8LatinstinguoI put out, extinguish
9Proto-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 *stengʷō
unextinguishableness — Etymology, Origin & Word History | Etymology Explorer