The story
- Proto-Germanic · inherited from*midjanahts“midnight”
- Old English · inherited frommidniht
- Middle English · inherited frommidnight
- English todaymidnight
From Middle English midnight, from Old English midniht, from Proto-Germanic *midjanahts (“midnight”), equivalent to mid- + night. Cognate with Saterland Frisian Midnoacht (“midnight”), Old High German mittinaht (“midnight”), Danish midnat (“midnight”), Swedish midnatt (“midnight”), Icelandic miðnætti (“midnight”). Compare also Saterland Frisian Middernoacht (“midnight”), Dutch middernacht (“midnight”), German Mitternacht (“midnight”).
Etymology from Wiktionary, CC BY-SA 4.0.