ἀνταλλάσσειν
From LSJ
ἀεὶ δ' ἀρέσκειν τοῖς κρατοῦσιν → always try to please your masters, always be obsequious to the masters
Greek > English (Woodhouse Verbs Reversed)
(see also: ἀνταλλάσσω) change, exchange one thing for another
Lexicon Thucydideum
permutare, to exchange, 3.82.3, 4.14.3,
quum, permutato more, Lacedaemonii e terra quasi navalem pugnam, Athenienses e navibus pedestrem, facerent, when, their usual roles reversed, the Spartans fought a naval battle from land, and the Athenians an infantry battle from their ships. [ἀντηλλάξαντο vulgo pro commonly instead of ἄν ἠλλάξ.8.82.1.]