Where does “hrabini” come from?

hrabini (Polish) comes from Polish -ini, from Proto-Slavic -yni, from Proto-Slavic -ni — one.

Ancestry of “hrabini”, step by step

StepLanguageWordMeaning
1Polish-iniforms feminine nouns from masculine words, used after ch, k, and g
2Proto-Slavic-yniDenominal, forming feminine noun forms....
3Proto-Slavic-nione
Every word from Proto-Slavic -ni →Every word from Proto-Slavic -yni →Every word from Polish -ini →