The Roman Map of Britain Vindomora Ebchester, Durham

Vindomora (AI 464₄ Iter I)

Ebchester (NZ1055)

I must suspect that Vindomara is the name of Mill Burn that joins the Derwent opposite the fort, and likely the proper spelling.

Compare with Vindomi (AI 486₁₀ Iter xv)

EBCHESTER (VINDOMORA); Consett; Derwentside; Durham; Barracks, Roman; Fort, Roman; Workshop, Roman NZ 1035 5550 NMRMIC-2314