Where does “двухчасовой” come from?

двухчасовой (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-.

двухчасовой (Russian): two hours

Definitions

  1. two hours

Ancestry of “двухчасовой”, 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-—
Every word from Proto-Indo-European k(ʷ)eh₁s- →Every word from Proto-Balto-Slavic keʔs- →Every word from Proto-Slavic časъ →