Where does “качественно” come from?

качественно (Russian) comes from Russian ка́чественный, from Russian -е́нный, from Old Church Slavonic -еньнъ.

качественно (Russian): with quality, of high quality

Definitions

  1. with quality, of high quality

Ancestry of “качественно”, step by step

StepLanguageWordMeaning
1Russianка́чественныйqualitative
2Russian-е́нныйused to form past passive participles from verbs in
3Old Church Slavonic-еньнъ—
Every word from Old Church Slavonic -еньнъ →Every word from Russian -е́нный →Every word from Russian ка́чественный →