Where does “sleepies” come from?

sleepies (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.

sleepies (English): Sleep (mucus in the eyes)

Definitions

  1. Sleep (mucus in the eyes)

Ancestry of “sleepies”, step by step

sleepies 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 ies

StepLanguageWordMeaning
1Englishiesplural of i, the name of the letter I
Every word from Proto-Indo-European slab-Every word from Proto-Germanic slēpanąEvery word from Proto-West Germanic slāpan