Where does “четырёхручный” come from?

четырёхручный (Russian) comes from Russian рука́, from Old East Slavic рѫка, from Proto-Slavic rǫka, from Proto-Balto-Slavic ránkāˀ, from Proto-Indo-European wrenk-, from Latvian wer- — to turn, to bend.

четырёхручный (Russian): four-handed referring to music written for two pianos

Definitions

  1. four-handed referring to music written for two pianos

Ancestry of “четырёхручный”, step by step

StepLanguageWordMeaning
1Russianрука́arm, hand; hand
2Old East Slavicрѫка—
3Proto-Slavicrǫkahand; arm
4Proto-Balto-Slavicránkāˀhand, arm
5Proto-Indo-Europeanwrenk-to turn, twist, bend
6Latvianwer-to turn, to bend
Every word from Latvian wer- →Every word from Proto-Indo-European wrenk- →Every word from Proto-Balto-Slavic ránkāˀ →