Where does “херсонка” come from?

херсонка (Ukrainian) comes from Ukrainian херсо́нець, from Ukrainian -е́ць, from Russian -кий, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “херсонка”, step by step

StepLanguageWordMeaning
1Ukrainianхерсо́нецьKhersonite
2Ukrainian-е́ць
3Russian-кий-y, -ous: Used to form qualitative adjectives...
4Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
5Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
6Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -kъEvery word from Ukrainian -е́ць