Where does “однозначно” come from?

однозначно (Russian) comes from Russian однозна́чный, from Russian одно-, from Russian оди́н, from Old East Slavic оди́нъ, from Proto-Slavic edìnъ, from Proto-Balto-Slavic edīˀnas, from Proto-Balto-Slavic aiˀnas, from Proto-Indo-European óynos — one; single.

однозначно (Russian): unambiguously; unequivocally

Definitions

  1. unambiguously; unequivocally

Ancestry of “однозначно”, step by step

однозначно traces back through two separate lines of ancestry.

via Russian однозна́чный

StepLanguageWordMeaning
1Russianоднозна́чныйsynonymous
2Russianодно-uni-
3Russianоди́н
4Old East Slavicоди́нъ
5Proto-Slavicedìnъone
6Proto-Balto-Slavicedīˀnas
7Proto-Balto-Slavicaiˀnasone
8Proto-Indo-Europeanóynosone; single

via Ukrainian однозна́чний

StepLanguageWordMeaning
1Ukrainianоднозна́чнийunambiguous, unequivocal, univocal having only one meaning
2Ukrainianзна́читиto mean, to signify
3Ukrainian-ни́йUsed to form adjectives from nouns; -ish, -y
Every word from Proto-Indo-European óynosEvery word from Proto-Balto-Slavic aiˀnasEvery word from Proto-Balto-Slavic edīˀnas