βδέλλιον
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, the aromatic gum obtained from
A Balsamodendrum africanum and B. Mukul, Dsc.1.67, Damocr. ap. Gal.14.118, Plin. HN12.35, Aq., Sm., Thd.Ge.2.12. (Semitic word.)
German (Pape)
[Seite 440] τό, eine Pflanze u. das aus ihr gewonnene, wohlriechende Harz, Diosc.; vgl. Plin. 12, 9.
