eldest
From LSJ
κράτιστοι δ᾽ ἂν τὴν ψυχὴν δικαίως κριθεῖεν οἱ τά τε δεινὰ καὶ ἡδέα σαφέστατα γιγνώσκοντες καὶ διὰ ταῦτα μὴ ἀποτρεπόμενοι ἐκ τῶν κινδύνων → the bravest are surely those who have the clearest vision of what is before them, glory and danger alike, and yet notwithstanding, go out to meet it | and they are most rightly reputed valiant who, though they perfectly apprehend both what is dangerous and what is easy, are never the more thereby diverted from adventuring
English > Greek (Woodhouse)
adjective
P. and V. πρεσβύτατος, V. προφέρτατος, πρέσβιστος.
Fem. adj., Ar. and V. πρέσβειρα (of a goddess).
because he was his eldest son: P. διὰ τὸ πρεσβεύειν ἀπ' αὐτοῦ (Thuc. 6, 55).