Where does “*kostrьcь” come from?

*kostrьcь (Proto-Slavic) comes from Proto-Slavic *kostra, from Proto-Slavic kostь, from Proto-Indo-European kost-.

Ancestry of “*kostrьcь”, step by step

StepLanguageWordMeaning
1Proto-Slavic*kostra—
2Proto-Slavickostьbone
3Proto-Indo-Europeankost-—

Words derived from “*kostrьcь”

Every word from Proto-Indo-European kost- →Every word from Proto-Slavic kostь →Every word from Proto-Slavic *kostra →