ἡγεμόνη
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
English (LSJ)
Dor. ἁγ- JHS3.353 (Aetol.), fem. of ἡγεμών:—
A queen, epith. of Artemis, Call.Dian.227, Ant.Lib.4.5; Ἄρτεμις Ὀρθωσία 'H. IG2.1663c; of Aphrodite, Hsch.; at Athens, one of the Charites, Paus.9.35.2; flagship, Hsch.
German (Pape)
[Seite 1150] ἡ, fem. zu ἡγεμών, Anführerinn, Gebieterinn, Beiname mehrerer Göttinnen, bes. der Artemis, Callim. Dian. 227; Paus. 3, 14, 6, vgl. 9, 35, 2; a. Sp. Vgl. auch ἡγεμόνεια.
Greek (Liddell-Scott)
ἡγεμόνη: θηλ. τοῦ ἡγεμών, = ἡγεμόνεια, βασίλισσα, ἐπίθ. τῆς Ἀρτέμιδος, Καλλ. εἰς Ἄρτ. 227, Παυσ. 9. 35, 2· τῆς Ἀφροδίτης, Ἡσύχ.