Where does “presleep” come from?

presleep (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.

presleep (English): Before a period of sleep

Definitions

  1. Before a period of sleep

Ancestry of “presleep”, step by step

presleep 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 pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European slab-Every word from Proto-Germanic slēpanąEvery word from Proto-West Germanic slāpan