αιτήσιος

From LSJ

πάντα χωρεῖ καὶ οὐδὲν μένει καὶ δὶς ἐς τὸν αὐτὸν ποταμὸν οὐκ ἂν ἐμβαίης → all things move and nothing remains still, and you cannot step twice into the same stream

Source

Greek Monolingual

αἰτήσιος, ο (Μ) αἴτησις
αυτός που αιτεί, που ζητάει κάτι.