Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Pŏlyxĕna, ae, f., = Πολυξένη,
- I. a daughter of Priam, whom Pyrrhus, the son of Achilles, sacrificed at his father’s grave, Ov. M. 13, 448; Juv. 10, 262; Sen. Troad. 368; Hyg. Fab. 110; cf. Verg. A. 3, 321.
Hence,
- II. Pŏlyxĕnĭus, a, um, adj., of Polyxena, Polyxenian: caedes, Cat. 64, 369.