Where does “unipolarity” come from?

unipolarity (English) comes from English unipolar, from English uni-, from Latin ūni-, from Latin ūnus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

unipolarity (English): The condition of being unipolar

Definitions

  1. The condition of being unipolar

Ancestry of “unipolarity”, step by step

unipolarity traces back through two separate lines of ancestry.

via English unipolar

StepLanguageWordMeaning
1EnglishunipolarHaving a single pole; Not both depressive and...
2Englishuni-API; one, single
3Latinūni-one; uni
4Latinūnusone, single
5Old Latinoinosone
6Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
7Proto-Indo-Europeanóynosone; single

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Old Latin oinos →