why
From LSJ
Λάλει τὰ μέτρια, μὴ λάλει δ', ἃ μή σε δεῖ → Modestus sermo, et qualis deceat, sit tuus → Sprich maßvoll, spricht nicht aus, was unanständig ist
English > Greek (Woodhouse)
adverb
Interrogative: P. and V. τί, τοῦ χάριν (Dem. 490). P. διὰ τί, τοῦ ἕνεκα (Dem. 1104), ἀντὶ τίνος (Plato, Lysis 208E), V. πρὸς τί, ἀντὶ τοῦ, εἰς τί, τί χρῆμα, τίνος ἕκατι, ἐκ τοῦ (Eur., Electra 246), τίνος χάριν.
for what purpose: P. and V. ἐπὶ τῷ (Sophocles, Ajax 797).