ἐκεχείριον

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

Source
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Full diacritics: ἐκεχείριον Medium diacritics: ἐκεχείριον Low diacritics: εκεχείριον Capitals: ΕΚΕΧΕΙΡΙΟΝ
Transliteration A: ekecheírion Transliteration B: ekecheirion Transliteration C: ekecheirion Beta Code: e)kexei/rion

English (LSJ)

τό, travelling allowance for θεωροί, who announce a sacred truce, Inscr. Magn. 33.18.