Where does “горілочка” come from?

горілочка (Ukrainian) comes from Ukrainian горі́лка, from Polish Gorzałka, from Polish gorzeć, from Proto-Slavic gorěti, from Proto-Balto-Slavic garḗˀtei, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

Ancestry of “горілочка”, step by step

StepLanguageWordMeaning
1Ukrainianгорі́лкаvodka
2PolishGorzałkavodka
3Polishgorzećto burn
4Proto-Slavicgorětito burn
5Proto-Balto-Slavicgarḗˀteito burn
6Proto-Indo-Europeangʷʰer-warm, hot
7Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr—
Every word from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr →Every word from Proto-Indo-European gʷʰer- →Every word from Proto-Balto-Slavic garḗˀtei →