Dera mǽgþ
Słownik Anglo-Saski Staroangielski Boswortha i Tollera - dera mǽgþ
Zgodnie ze Słownikiem Staroangielskim:
e;
- Dera mǽgþ
- f. [Dere the Deirians, mǽgþ a province, region, country] The country of the Deirians, Deira, being part of Northumbria, situate between the Tyne and Humber; Deirōrum provincia :-- In Dera mǽgþe in provincia Deirōrum, Bd. 2, 14; S. 518, 14.