Where does “Jedynowicz” come from?

Jedynowicz (Polish) comes from Polish jedyny, from Old Polish jedyny, from Proto-Slavic edìnъ, from Proto-Balto-Slavic edīˀnas, from Proto-Balto-Slavic aiˀnas, from Proto-Indo-European óynos — one; single.

Ancestry of “Jedynowicz”, step by step

StepLanguageWordMeaning
1Polishjedynyonly
2Old Polishjedynyonly
3Proto-Slavicedìnъone
4Proto-Balto-Slavicedīˀnas—
5Proto-Balto-Slavicaiˀnasone
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →Every word from Proto-Balto-Slavic aiˀnas →Every word from Proto-Balto-Slavic edīˀnas →