The story
- Middle English · inherited frombedtyme
- English todaybedtime
From Middle English bedtyme, bed-tyme, bedetyme, bedde tyme, equivalent to bed + time. Compare earlier Old English bedtīd (“bedtime”). Compare also West Frisian bêdtiid (“bedtime”), Dutch bedtijd (“bedtime”), Saterland Frisian Bädegungenstied (“bedtime”, literally “bed-goings-time”), German Low German Beddgahnstied, Bettgahnstiet (“bedtime”, literally “bed-goings-time”).
Etymology from Wiktionary, CC BY-SA 4.0.