Where does “неистово” come from?

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

неистово (Russian): furiously, violently

Definitions

  1. furiously, violently

Ancestry of “неистово”, step by step

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