The story
- Proto-Germanic · inherited from*twinilingaz
- Middle English · inherited fromtwynlynge
- English todaytwinling
From Middle English twynlynge, equivalent to twin + -ling; possibly from an Old English root *twinling, from a Proto-Germanic *twinilingaz, from *twinaz. Cognate with Dutch tweeling, German Zwilling (“twin”), Danish, Norwegian, and Swedish tvilling (“twin”).
Etymology from Wiktionary, CC BY-SA 4.0.