Where does “gorycha” come from?

gorycha (Polish) comes from Polish gorycz, from Proto-Slavic gorьcь, from Proto-Slavic gorьkъ, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.

Ancestry of “gorycha”, step by step

StepLanguageWordMeaning
1Polishgoryczbitterness, bitter
2Proto-Slavicgorьcь—
3Proto-Slavicgorьkъbitter
4Proto-Indo-Europeangʷʰer-warm, hot
5Proto-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-Slavic gorьkъ →