τὴν αὐτοκράτορα ἀρχὴν περινοέω → meditate empire
P. and V. ἔμπειρος, ἐπιστήμων, Ar. and V. τρίβων.
experienced in: P. and V. ἔμπειρος (gen.), ἐπιστήμων (gen.), ἐντριβής (dat.), Ar. and V. τρίβων (acc. or gen.), V. ἴδρις (gen.); see versed in.