1) Boeotian mythology 
In Greek mythology, Ptous (Πτῶος) was the eponym of Mount Ptous in Boeotia on which the town Acraephnium was situated. He was believed to have been a son of either Athamas and Themisto, or of Acraepheus and Euxippe, or of Apollo and Zeuxippe, a daughter of Athamas. Ptous was also an epithet of Apollo, under which the god was honored in a tem...