The story
- Old Norse · borrowed fromYggdrasill
- English todayYggdrasil
Borrowed from Old Norse Yggdrasill; commonly accepted as being composed Yggr (“terrible”) + drasill (“steed”), where “steed” refers to a hanging tree or possibly from *dʰer- (“to hold, support”).
Etymology from Wiktionary, CC BY-SA 4.0.