Where does “тотчас” come from?

тотчас (Russian) comes from Russian тот, from Old Turkic tod-, from German tōd, from Middle High German tōt, from Old High German tōt, from Proto-West Germanic daud, from Proto-Germanic daudaz, from Proto-Indo-European dʰowHtós.

тотчас (Russian): immediately, at once, instantly

Definitions

  1. immediately, at once, instantly

Ancestry of “тотчас”, step by step

тотчас traces back through two separate lines of ancestry.

via Russian тот

StepLanguageWordMeaning
1Russianтотthat, those; the one; the other
2Old Turkictod-—
3Germantōddeath
4Middle High Germantōt—
5Old High Germantōtdead
6Proto-West Germanicdauddead
7Proto-Germanicdaudazdead
8Proto-Indo-EuropeandʰowHtós—

via Russian час

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 dʰowHtós →Every word from Proto-Germanic daudaz →Every word from Proto-West Germanic daud →