Sthenius
Σθένιος
(Σθένιος), i.e. "the powerful," or " the strengthening," a surname of Zens, under which he had an altar in a rock near Hermione, where Aegeus concealed his sword and his shoes, which were found there by Theseus after he had lifted up the rock. (Paus. 2.32.7, 34.6.) One of the horses of Poseidon also bore the Sthenius. (Schol. ad Hom. Il. 13.23.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.