Where does “небезразличный” come from?

небезразличный (Russian) comes from Russian безразли́чный, from Russian безразличие, from Russian разли́чие, from Bulgarian ра́злика, from Bulgarian -ка, from Proto-Slavic -ьka, from Proto-Balto-Slavic -ikaʔ, from Proto-Indo-European -ikeh₂.

небезразличный (Russian): non-indifferent, not indifferent, somewhat interested

Definitions

  1. non-indifferent, not indifferent, somewhat interested

Ancestry of “небезразличный”, step by step

StepLanguageWordMeaning
1Russianбезразли́чныйindifferent, apathetic, nonchalant
2Russianбезразличиеindifference, nonchalance; invariance
3Russianразли́чиеdifference (quality of being different, used in a comparison)
4Bulgarianра́зликаdifference
5Bulgarian-каfeminine suffix
6Proto-Slavic-ьka
7Proto-Balto-Slavic-ikaʔ
8Proto-Indo-European-ikeh₂
Every word from Proto-Indo-European -ikeh₂Every word from Bulgarian -каEvery word from Proto-Slavic -ьka