σκυθράζω
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
A to be angry, peevish, E.El.830.
German (Pape)
[Seite 906] zornig, mürrisch, traurig sein, Eur. El. 830.
Greek (Liddell-Scott)
σκυθράζω: σκυδμαίνω, «σκυθρωπάζω» Ἡσύχ., Εὐρ. Ἠλ. 830.