εὐορκία
From LSJ
Ἡ δ' ἐμὴ ψυχὴ πάλαι τέθνηκεν, ὥστε τοῖς θανοῦσιν ὠφελεῖν → My soul died long ago so that I could give some help to the dead
English (LSJ)
ἡ, = foreg., Pi.O.2.66 (pl.), App.Pun.63, Hierocl. in CA2p.422M. II in pl., oaths taken with a good conscience, Lib.Or.59.122.
German (Pape)
[Seite 1085] ἡ, dass., plur., Pind. Ol. 2, 72; Poll. 1, 39.
Greek (Liddell-Scott)
εὐορκία: ἡ, = τῷ προηγ., Πινδ. Ο. 2. 119.