θαλασσοκρατέω
From LSJ
ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
English (LSJ)
A to be master of the sea, Hdt.3.122, Th.7.48, Plb.1.7.6, Phylarch.1 J.:—Pass., to be beaten at sea, Demetr.Com. Vet.2.
German (Pape)
[Seite 1183] das Meer beherrschen, die Oberherrschaft zur See haben; Her. 3, 122; Thuc. 7, 48; Pol. 1, 7, 6; Lucill. 112 (XI, 247). – Pass., com. bei E. M. 335, 18.
Greek (Liddell-Scott)
θᾰλασσοκρᾰτέω: εἶμαι κύριος τῆς θαλάσσης, Ἡρόδ. 3. 122, Θουκ. 7. 48. - Παθ., ἡττῶμαι κατὰ θάλασσαν, Δημήτρ. Κωμ. Σικ. 2.