Where does “эффективно” come from?

эффективно (Russian) comes from Russian -о́ — Suffix added to adjectives to produce adverbs; highly productive.

эффективно (Russian): efficiently, effectively in an efficient manner

Definitions

  1. efficiently, effectively in an efficient manner

Ancestry of “эффективно”, step by step

StepLanguageWordMeaning
1Russian-о́Suffix added to adjectives to produce adverbs; highly productive
Every word from Russian -о́