Where does “созвучный” come from?

созвучный (Russian) comes from Russian созву́чие, from Russian звук, from Proto-Slavic zvǫkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

созвучный (Russian): harmonious, assonant; in accordance with

Definitions

  1. harmonious, assonant; in accordance with

Ancestry of “созвучный”, step by step

StepLanguageWordMeaning
1Russianсозву́чиеconsonance
2Russianзвукsound
3Proto-Slaviczvǫkъsound
4Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
5Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos →Every word from Proto-Slavic -kъ →Every word from Proto-Slavic zvǫkъ →