ἐκμουσόω
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
strengthd. for μουσόω,
A teach fully, τινά τι E.Ba.825 :— Pass., ἐκμουσωθῆναί τι Ael.VH14.34.
German (Pape)
[Seite 769] = simpl., τινά τι, Jemanden in Etwas unterrichten, Eur. Bacch. 825; ἐκμουσωθῆναί τι Ael. V. H. 14, 34; Philostr. Im. 2, 2.
Greek (Liddell-Scott)
ἐκμουσόω: ἐπιτεταμένον ἀντὶ τοῦ μουσόω, διδάσκω ἐντελῶς τινά τι Εὐρ. Βάκχ. 825: ― Παθ., ἐκμουσωθῆναί τι Αἱλ. Π. Ἱστ. 14. 34.