Where does “sleepwalk” come from?

sleepwalk (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.

sleepwalk (English): To walk and/or perform other actions while...

Definitions

  1. To walk and/or perform other actions while...

Ancestry of “sleepwalk”, step by step

sleepwalk 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 walk

StepLanguageWordMeaning
1EnglishwalkTo move on the feet by alternately setting each...
2Middle Englishwalkto watch
3Old Englishwealcianto roll up, curl, twist; to wrinkle
4Frankishwalkōnto roll; to full
5Proto-GermanicwalkōnąTo roll about; wallow; To full
6Indo-European*wel-

Words derived from “sleepwalk

Every word from Proto-Indo-European slab-
sleepwalk — Etymology, Origin & Word History | Etymology Explorer