Where does “доброкачественный” come from?

доброкачественный (Russian) comes from Russian до́брый, from Old East Slavic добръ, from Proto-Slavic dòbrъ — good, right.

доброкачественный (Russian): benign

Definitions

  1. benign

Ancestry of “доброкачественный”, step by step

доброкачественный traces back through two separate lines of ancestry.

via Russian до́брый

StepLanguageWordMeaning
1Russianдо́брыйgood, well
2Old East Slavicдобръgood
3Proto-Slavicdòbrъgood, right

via Russian ка́чество

StepLanguageWordMeaning
1Russianка́чествоquality
Every word from Proto-Slavic dòbrъ →Every word from Old East Slavic добръ →Every word from Russian до́брый →