Where does “сквернейший” come from?

сквернейший (Russian) comes from Russian [[скверный.

сквернейший (Russian): worst, poorest

Definitions

  1. worst, poorest

Ancestry of “сквернейший”, step by step

сквернейший traces back through two separate lines of ancestry.

via Russian [[скверный

StepLanguageWordMeaning
1Russian[[скверный

via Russian скверн(ый)]]

StepLanguageWordMeaning
1Russianскверн(ый)]]
Every word from Russian [[скверный