Θεοδοσία (Ancient Greek) comes from Ancient Greek θεός, from Proto-Hellenic tʰehós, from Proto-Indo-European dʰéh₁s, from Proto-Indo-European dʰeh₁- — to do, put, place.
Ancestry of “Θεοδοσία”, step by step
Θεοδοσία traces back through two separate lines of ancestry.