Where does “Волгіна” come from?

Волгіна (Ukrainian) comes from Ukrainian Волгін, from Russian Во́лгин, from Russian -ин, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Волгіна”, step by step

StepLanguageWordMeaning
1UkrainianВолгін—
2RussianВо́лгин—
3Russian-ин-'s
4Old East Slavic-инъ—
5Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no- →Every word from Russian -ин →Every word from Proto-Indo-European -iHnos →