ζῴαρχος
From LSJ
ὁκόσα γὰρ ὑπὰρ ἐκτρέπονται ὁποίου ὦν κακοῦ, τάδε ἐνύπνιον ὁρέουσι ὥρμησε → for whatever, when awake, they have an aversion to, as being an evil, rushes upon their visions in sleep (Aretaeus, Causes & Symptoms of Chronic Disease 1.5.6)
English (LSJ)
ον,
A commander of one elephant, Ascl.Tact.9.1, Ael.Tact. 23.1.
Greek (Liddell-Scott)
ζῴαρχος: -ον, ὁ ὁδηγῶν ἐλέφαντα, ἐπὶ τοῦ ὁδηγοῦ, Αἰλ. Τακτ. 23. 1.