κατασείειν
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
Greek > English (Woodhouse Verbs Reversed)
(see also κατασείω): batter down, shake down
Lexicon Thucydideum
quassare, to shake, shatter, 2.76.4 (de machina concerning the engine).