Where does “водночас” come from?

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

водночас (Ukrainian): simultaneously, at the same time

Definitions

  1. simultaneously, at the same time

Ancestry of “водночас”, step by step

водночас traces back through two separate lines of ancestry.

via Ukrainian час

StepLanguageWordMeaning
1Ukrainianчасtime; tense
2Old East Slavicчасъtime; hour; happiness, luck
3Proto-Slavicčasъtime
4Proto-Balto-Slavickeʔs-—
5Proto-Indo-Europeank(ʷ)eh₁s-—

via Russian одно́

StepLanguageWordMeaning
1Russianодно́—
2Bulgarianеди́нone
Every word from Proto-Indo-European k(ʷ)eh₁s- →Every word from Proto-Balto-Slavic keʔs- →Every word from Proto-Slavic časъ →