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ἐπειδὴ

Γηράσκω δ᾽ αἰεὶ πολλὰ διδασκόμενος -> I grow old always learning many things
Solon the Athenian

Greek (Liddell-Scott)

ἐπειδὴ: ἢ ἐπεὶ δὴ (ὡς γράφεται νῦν παρ’ Ὁμ.) ἐντονώτερος τύπος τοῦ ἐπεὶ, ἴδε ἐν λ. ἐπεί.