Where does “частотность” come from?

частотность (Russian) comes from Russian часто́тный, from Russian частота, from Russian -ота́, from Proto-Slavic -ota, from Proto-Balto-Slavic -atā́ˀ, from Proto-Indo-European -otéh₂.

частотность (Russian): frequency (of oscillations, etc.)

Definitions

  1. frequency (of oscillations, etc.)

Ancestry of “частотность”, step by step

StepLanguageWordMeaning
1Russianчасто́тныйfrequency
2Russianчастотаfrequency
3Russian-ота́—
4Proto-Slavic-otaDeadjectival, forming abstract nouns denoting the...
5Proto-Balto-Slavic-atā́ˀ—
6Proto-Indo-European-otéh₂—
Every word from Proto-Indo-European -otéh₂ →Every word from Russian -ота́ →Every word from Proto-Slavic -ota →