Where does “Dobras” come from?

Dobras (Polish) comes from Polish Dobry, from Old Polish dobry, from Proto-Slavic dòbrъ — good, right.

Ancestry of “Dobras”, step by step

Dobras traces back through two separate lines of ancestry.

via Polish Dobry

StepLanguageWordMeaning
1PolishDobrygood
2Old Polishdobrygood
3Proto-Slavicdòbrъgood, right

via Romanian Dobre

StepLanguageWordMeaning
1RomanianDobre—
Every word from Proto-Slavic dòbrъ →Every word from Old Polish dobry →Every word from Polish Dobry →