ἱερόχθων
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)
poet. ἱρ-, ὁ, ἡ, gen. ονος,
A of hallowed soil, βῶλος IG14.1389ii27.
German (Pape)
[Seite 1243] ονος, βῶλος, eine Scholle von heiliger Erde, Herod. Attic. in der Anth. (App. 50, 27).
Greek (Liddell-Scott)
ἱερόχθων: ποιητ. ἱρ-, ὁ, ἡ, ὁ ἐξ ἱερᾶς γῆς, οὐ θέμις ἀμφὶ νέκυσσι βαλεῖν ἱερόχθονα βῶλον Ἀνθ. Π. παράρτ. 50. 27.
French (Bailly abrégé)
ων, ον ; gén. ονος;
qui appartient à une terre sacrée.
Étymologie: ἱερός, χθών.