The Collaborative International Dictionary
Parthenic
Parthenic \Par*then"ic\, a. [Gr. parqeniko`s, fr. parqe`nos a maid, virgin.] Of or pertaining to the Spartan Partheni[ae], or sons of unmarried women.
Douglas Harper's Etymology Dictionary
parthenic
"of or of the nature of a virgin," 1866, from Greek parthenikos, from parthenos "virgin" (see Parthenon).