thalassocracy

Ancient Greek θαλασσοκρατέω (thalassokratéō, “to be master of the sea”), from θάλασσα (thálassa, “sea”) + κράτος (krátos, “rule”).

thalassocracy (countable and uncountable, plural thalassocracies)

1. A state whose power derives from its naval or commercial supremacy on the seas.
2. Maritime supremacy.

• thalattocracy

• tellurocracy