What is "oaxes"

Oaxes is the mythical founder of the town of Oaxus within Crete, a place known to Servius and Herodotus. Apollonius wrote in Argonautiks of Crete being the Oaxian land. Vibius Sequester wrote the river Oaxes gave its name (to the city Oaxia). The river Oaxes was, according to Baudrand, very cold.