Quick answer
Polyxena is a girl name with Latinized roots meaning "entertaining many guests, very hospitable".
Pronunciation: English /pə.ˈlɪk.sɪn.ə/.
Meaning and history
Latinized form of Greek Πολυξένη (Polyxene), which was from the word πολύξενος (polyxenos) meaning "entertaining many guests, very hospitable", itself derived from πολύς ( polys ) meaning "many" and ξένος ( xenos ) meaning "foreigner, guest". In Greek legend she was a daughter of Priam and Hecuba, beloved by Achilles. After the Trojan War, Achilles' son Neoptolemus sacrificed her.
Notes and context
Usage: greek mythology | Ancient Greek: Πολυξένη