Where does “dvojitý” come from?

dvojitý (Czech) comes from Czech dvojí, from Old Czech dvój, from Proto-Slavic *dъvojь — two.

dvojitý (Czech): double

Definitions

  1. double

Ancestry of “dvojitý”, step by step

StepLanguageWordMeaning
1Czechdvojídouble, dual, of two kinds
2Old Czechdvójof two kinds/sets/parts, double
3Proto-Slavic*dъvojьtwo
Every word from Proto-Slavic *dъvojь →Every word from Old Czech dvój →Every word from Czech dvojí →