Where does “спальный” come from?

спальный (Russian) comes from Russian спать, from Old Church Slavonic съпати, from Proto-Slavic sъpati, from Proto-Indo-European swep- — to sleep.

спальный (Russian): sleeping (car, bag, etc.)

Definitions

  1. sleeping (car, bag, etc.)

Ancestry of “спальный”, step by step

StepLanguageWordMeaning
1Russianспатьto sleep; to have sex
2Old Church Slavonicсъпатиsleep
3Proto-Slavicsъpatito sleep
4Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep-Every word from Proto-Slavic sъpatiEvery word from Old Church Slavonic съпати