Dellingr

The story

1. Proto-Germanic · derived from*Dagilingaz“dayspring”
2. Proto-Germanic · derived from*Dallingaz
3. Old Norse · borrowed fromDellingr
4. English todayDellingr

Borrowed from Old Norse Dellingr, formally as if from Proto-Germanic *Dallingaz, perhaps "shining one", related to Old English deal (“proud, bright”) and possibly the second element of Old Norse Heimdallr and Mardǫll. Another proposed etymology is Proto-Germanic *Dagilingaz (“dayspring”), from *dagaz (“day”);