zwodder

The story

1. Old English · derived fromswodrian“to get drowsy, fall asleep”
2. Middle English · derived fromswodderen
3. English todayzwodder

From Middle English swodderen, from Old English swodrian (“to get drowsy, fall asleep”), of uncertain origin. Perhaps a variant of Old English swaþrian (“to withdraw, retreat, subside”). Compare also Middle Dutch swadderen (“to be weary from drinking, stagger”).