What does Pittheus mean in Latin?

Pittheus, a proper noun, means “king of Trœzen”.

proper noun

Pittheus

Pittheus (dissyl.), ĕi and ĕos, m., = Πιτθεύς,

I. king of Trœzen, son of Pelops, and father of Æthra, the mother of Theseus, Ov. M. 8, 622; Hyg. Fab. 37.—Hence,

A. Pitthēus, a, um, adj., of or belonging to Pittheus, Pitthean: Pitthea Troezen, ruled by Pittheus, Ov. M. 15, 296; 506.—

B. Pit-thēïus, a, um, adj., Pitthean: Troezen, Ov. M. 6, 418; cf. regna, id. H. 4, 107.—

C. Pitthēis, ĭdos, f., the Pittheïd, daughter of Pittheus, i. e. Æthra: Pittheidos Aethrae filius, Ov. H. 10, 131.