Where does “nonuniqueness” come from?

nonuniqueness (English) comes from English nonunique, from English unique, from French unique, from Latin ūnicus, from Latin ūnus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

nonuniqueness (English): The state or condition of being nonunique

Definitions

  1. The state or condition of being nonunique

Ancestry of “nonuniqueness”, step by step

nonuniqueness traces back through two separate lines of ancestry.

via English nonunique

StepLanguageWordMeaning
1EnglishnonuniqueNot unique
2EnglishuniqueBeing the only one of its kind; unequaled,...
3Frenchuniqueunique; only
4Latinūnicusonly, sole, single
5Latinūnusone, single
6Old Latinoinosone
7Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
8Proto-Indo-Europeanóynosone; single

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 óynos