Where does “часы́” come from?

часы́ (Russian) comes from Russian час, from Old East Slavic часъ, from Proto-Slavic časъ, from Proto-Balto-Slavic keʔs-, from Proto-Indo-European k(ʷ)eh₁s-.

часы́ (Russian): clock, watch

Definitions

  1. clock, watch

Ancestry of “часы́”, step by step

StepLanguageWordMeaning
1Russianчасhour, o'clock, time, time of day; hours, o'clock;...
2Old East Slavicчасъtime; hour; happiness, luck
3Proto-Slavicčasъtime
4Proto-Balto-Slavickeʔs-—
5Proto-Indo-Europeank(ʷ)eh₁s-—

Words derived from “часы́”

Every word from Proto-Indo-European k(ʷ)eh₁s- →Every word from Proto-Balto-Slavic keʔs- →Every word from Proto-Slavic časъ →