proper noun
Theodorias (a Byzantine province on the coast of modern-day Syria, established in the 6th century CE by Emperor Justinian I, named in honor of his wife Theodora)
From Latin Theodōriadem, accusative of Theodōrias, from Ancient Greek Θεοδωριάς (Theodōriás), from Θεοδώρα (Theodṓra) + -ιάς (-iás).