Where does “cryosleep” come from?

cryosleep (English) comes from English sleep, from Middle English slepen, from Old English slǣpan, from Proto-West Germanic slāpan, from Proto-Germanic slēpaną, from Proto-Indo-European slab- — to be weak, be languid; be weak, limp, languid.

cryosleep (English): A deep sleep during which the body is stored at...

Definitions

  1. A deep sleep during which the body is stored at...

Ancestry of “cryosleep”, step by step

cryosleep traces back through two separate lines of ancestry.

via English sleep

StepLanguageWordMeaning
1EnglishsleepTo rest in a state of reduced consciousness; To...
2Middle Englishslepento sleep; to become asleep, to cause to sleep; to...
3Old Englishslǣpan—
4Proto-West Germanicslāpanto sleep
5Proto-Germanicslēpanąto sleep
6Proto-Indo-Europeanslab-to be weak, be languid; be weak, limp, languid

via English cryo

StepLanguageWordMeaning
1Englishcryocryoprecipitate
Every word from Proto-Indo-European slab- →Every word from Proto-Germanic slēpaną →Every word from Proto-West Germanic slāpan →