Where does “trójdźwięk” come from?

trójdźwięk (Polish) comes from Polish trój-, from Polish troje, from Proto-Slavic *trojь — three.

trójdźwięk (Polish): triad chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale

Definitions

  1. triad chord consisting of a root tone, the tone two degrees higher, and the tone four degrees higher in a given scale

Ancestry of “trójdźwięk”, step by step

StepLanguageWordMeaning
1Polishtrój-three-, triple-, tri-
2Polishtrojethree
3Proto-Slavic*trojьthree
Every word from Proto-Slavic *trojь →Every word from Polish trój- →Every word from Polish troje →