Nectarios

Nectarios is a name of Greek origin, directly derived from the Greek word "νέκταρ" (nektar), which refers to the drink of the gods in Greek mythology, believed to grant immortality. The name has strong ties to early Christianity, particularly through Saint Nectarios of Aegina, a revered Greek Orthodox saint who lived in the late 19th and early 20th centuries. His life and miracles significantly contributed to the name's enduring popularity within Orthodox Christian communities, especially in Greece and among the Greek diaspora.

While the user specified a 'Russian' origin, Nectarios is fundamentally Greek. Its presence in Russia and other Slavic Orthodox countries is due to the historical and religious influence of the Byzantine Empire and the Greek Orthodox Church. Names often spread through religious veneration, and Saint Nectarios's widespread reverence led to the adoption of his name in various Orthodox cultures, including Russia, where it is less common but recognized.