The story
- Old Norse · derived frommyk
- Old Danish · derived frommykdyngja
- Middle English · inherited frommidding
- English todaymidden
From Middle English midding, myddyng, from Old Danish mykdyngja, (a compound of Old Norse myk, myki (“muck, manure”) and dyngja (“dung, dungpile”)), whence also Danish møgdynge and mødding, Norwegian mødding, dialectal Swedish mödding.
Etymology from Wiktionary, CC BY-SA 4.0.