Where does “эстонский” come from?

эстонский (Russian) comes from Russian -ский, from Old East Slavic -ьскъ.

эстонский (Russian): Estonian relating to Estonia, its people or their language

Definitions

  1. Estonian relating to Estonia, its people or their language

Ancestry of “эстонский”, step by step

StepLanguageWordMeaning
1Russian-скийUsed to form adjectives from nouns or sometimes...
2Old East Slavic-ьскъ—
Every word from Old East Slavic -ьскъ →Every word from Russian -ский →
эстонский — Etymology, Origin & Word History | Etymology Explorer