πρεσβυγένεια
From LSJ
ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
English (LSJ)
Ion. πρεσβυγεν-είη, ἡ,
A seniority of birth, Hdt.6.51, Plu.2.636e.
German (Pape)
[Seite 699] ἡ, ältere Geburt, Erstgeburt; Her. 6, 51; Plut. Symp. 2, 3, 2 u. a. Sp.