The story
- Proto-Germanic*hrōþiz
- Proto-Indo-European*h₃reǵ-
- Proto-Indo-European*h₃rḗǵs
- Proto-Celtic*rīxs
- Proto-Germanic*rīks
- Proto-Germanic*Hrōþirīks
- English todayRoderick
Medieval English name from Proto-Germanic *Hrōþirīks, revived after Walter Scott used it in a poem in 1811, where it is a translation of its Spanish cognate Rodrigo. Roderick is also used to anglicize Scottish Ruairidh and Welsh Rhydderch.
Etymology from Wiktionary, CC BY-SA 4.0.