English

sleepsack

From sleep + sack.

A compound of sleep + sack

Proto-Germanic *slēpaną ‘to sleep’

Proto-West Germanic *slāpan

Anglian Old English slēpan ‘to sleep’

Middle English slepen ‘to sleep’

English sleep

Middle English sak ‘bag, sackcloth’

English sack

Today it means

noun A kind of wearable blanket for a baby.

Language periods are conventional ranges, not dates for this word.

Etymograph / sleepsack