Where does “оттачивание” come from?

оттачивание (Russian) comes from Russian оттачивать, from Russian отточи́ть, from Russian точи́ть, from Proto-Slavic točiti, from Proto-Slavic tekti, from Proto-Balto-Slavic tektej, from Proto-Indo-European tekʷ- — to run, to flow.

оттачивание (Russian): sharpening, whetting

Definitions

  1. sharpening, whetting

Ancestry of “оттачивание”, step by step

StepLanguageWordMeaning
1Russianоттачиватьto sharpen, to whet; to perfect
2Russianотточи́тьto sharpen, to whet
3Russianточи́тьto shed; sharpen; to wear away
4Proto-Slavictočitito cause to flow, run
5Proto-Slavictektito run, to flow
6Proto-Balto-Slavictektej—
7Proto-Indo-Europeantekʷ-to run, to flow
Every word from Proto-Indo-European tekʷ- →Every word from Proto-Balto-Slavic tektej →Every word from Proto-Slavic tekti →