δαιτήριον
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)
τό, place of distribution, EM251.52, Zonar.
Spanish (DGE)
-ου, τό lugar de reparto de un botín EM 251.52G., Zonar.