Totenfeier
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
{{GermanLatin |dela=-fest: Totenfeier, -[[fest, parentalia, ium,n. pl. (das Totenopfer, das man Eltern u. Verwandten hielt). – feralia, ium,n. pl. (das jährlich von Staats wegen gefeierte Totenfest). }}