Lasttier

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

German > Latin

Lasttier, iumentum onerarium, gew. bl. iumentum (um Lasten zu tragen). – iumentum sarcĭnarium (um das Gepäck Reisender od. der Soldaten zu tragen). – als L. dienen, iumenti ministerio dorso fungi od. (dienen können) oneri ferendo accommodatum esse (v. Kamel).