Where does “неотделимый” come from?
неотделимый (Russian) comes from Russian отдели́мый, from Russian отдели́ть, from Russian дели́ть, from Proto-Slavic děliti, from Proto-Balto-Slavic doyl-, from Proto-Indo-European dʰayl- — part, watershed.
неотделимый (Russian): inseparable, inalienable
Ancestry of “неотделимый”, step by step