Where does “Ірпі́нь” come from?

Ірпі́нь (Ukrainian) comes from Ukrainian -і́нь, from Russian -ень, from Proto-Slavic *-ьnь.

Ancestry of “Ірпі́нь”, step by step

StepLanguageWordMeaning
1Ukrainian-і́ньforms feminine nouns, predominantly singulars
2Russian-ень—
3Proto-Slavic*-ьnь—

Words derived from “Ірпі́нь”

Every word from Proto-Slavic *-ьnь →Every word from Russian -ень →Every word from Ukrainian -і́нь →