Ancient Greek origin
Source-reportedAdapted borrowing of Old Church Slavonic Ѳеодоръ (Θeodorŭ), from Byzantine Greek, from Ancient Greek Θεόδωρος (Theódōros). In a birch bark letter, first attested in c. 1140–1160. Compare with Old East Slavic Ѳедоръ (Θedorŭ).
Sources for this account (1)
- Wiktionary: ѲедореCC-BY-SA-4.0 · retrieved 2026-10-15

