ἐγρεκύδοιμος
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)
[ῠ], ον,
A rousing the din of war, strife-stirring, epith. of Pallas, Hes.Th.925, Lamprocl.1.
German (Pape)
[Seite 712] Pallas, Kriegslärm erregend, Hes. Th. 925 u. sp. D.
Greek (Liddell-Scott)
ἐγρεκύδοιμος: -ον, ὁ διεγείρων κυδοιμόν, θόρυβον τῆς μάχης, ἐπίθ. τῆς Παλλάδος, Ἡσύχ. Θ. 925, Λαμπροκλ. 1.