The given name Eric is derived from the Old Norse name Eiríkr. The first element, ei- is derived either from the older Proto-Norse *aina(z) meaning "one" or "alone"Entries ÆiríkR, Æi- in Nordiskt runnamnslexikon (2002) by Lena Peterson at the Swedish Institute for Linguistics and Heritage (Institutet för språk och folkminnen). or from Proto-Norse *aiwa(z) meaning "ever" or "eternal". The second element -ríkr derives either from *rík(a)z meaning "ruler" or "prince" (cf. Gothic reiks) or from an even older Proto-Germanic *ríkiaz which meant "powerful" and "rich".Entries ÆiríkR, RíkR and -ríkR in Nordiskt runnamnslexikon (2002) by Lena Peterson at the Swedish Institute for Linguistics and Heritage (Institutet för språk och folkminnen). The name is thus usually taken to mean "one ruler" or "eternal ruler" or "ever powerful," etc.