μιξοπάρθενος
From LSJ
οὗτος μὲν ὁ πιθανώτερος τῶν λόγων εἴρηται, δεῖ δὲ καὶ τὸν ἧσσον πιθανόν, ἐπεί γε δὴ λέγεται, ῥηθῆναι → this is the most credible of the stories told; but I must relate the less credible tale also, since they tell it
English (LSJ)
ον,
A half-maiden, of Echidna, Hdt.4.9; of the Sphinx, E.Ph.1023.
German (Pape)
[Seite 189] halb Jungfrau, mit Jungfrauengestalt gemischt; von der Sphinx, Eur. Phoen. 1030; Her. 4, 9.