The story
- Old Norse · derived fromHróðrekr
- Irish · derived fromMag Ruairc“son of Ruarc”
- English todayGroarke
Reduced Anglicized form of Irish Mag Ruairc (“son of Ruarc”), a variant of the personal name Ruadhrac, itself from Old Norse Hróðrekr.
Etymology from Wiktionary, CC BY-SA 4.0.