Peltast Anatolia and several contingents armed like this appeared in Xerxes I's army that invaded Greece in 480 BCE. For example, the Paphlagonians and Phrygians wore wicker helmets and native boots reaching halfway to the knee. They carried small shields, short spears, javelins and daggers. From the mid 5th century BCE onwards, peltast soldiers began to appear in Greek depictions of Persian troops. They were equipped like Greek and Thracian peltasts, but were dressed in typically Persian army uniforms. They often carried a light axe, known as a sagaris, as a sidearm. It has been suggested that these troops were known
Thracian language (meaning "up") and based on several Thracic items, would have meant "upon", "up", and "Utaspios" is theorized to have meant "On horse(back)", parallel to ancient Greek "ephippos (epi-hippos)". The early Indo-European languages had more than one word for horse; for example Latin had "equus" from PIE "*ekwo-" and "mannus" ("a pony") from another IE root, later receiving "cabalus" as a loanword. In many cases in current Thracology, there is more than one etymology for a Thracian lexical item. For example, Thracian "Diana Germetitha" ("Diana" is from Latin while the epithet "Germetitha" is from Thracian) has two different proposed etymologies, "Diana