Usage: 3 forms in 7 verses
Form Translated As     In Verse(s)
παρθένια tokens of the virginity LXX.Deut.22.15
tokens of virginity LXX.Deut.22.14LXX.Deut.22.20
παρθένεια tokens of her virginity LXX.Judg.11.38
tokens of virginity LXX.Deut.22.17LXX.Deut.22.17
παρθένεία tokens of my virginity LXX.Judg.11.37

Liddell-Scott-Jones

παρθένια (parthenia) marks of virginity G:N-F

παρθένια-ια, τά,

signs of virginity, [LXX]; τὰ π. μου my virginity, of Jephthah's daughter,[LXX+4th c.BC+]

LSJ Scripture Refs: LXX.Deut.22.15LXX.Judg.11.37