Castor — one of the Dioscuri, twin of Polydeuces
Ancient Greek word, found 89 times in the texts on Socratos.
Homer, Iliad 3.237: Κάστορά θʼ ἱππόδαμον καὶ πὺξ ἀγαθὸν Πολυδεύκεα
Homer, Odyssey 11.300: Κάστορά θʼ ἱππόδαμον καὶ πὺξ ἀγαθὸν Πολυδεύκεα,
Apollonius Rhodius, Argonautica 1.147: Κάστορά τʼ ὠκυπόδων ὦρσεν δεδαημένον ἵππων
All forms of Κάστωρ