What is "sases"

Sases, also known as Gondophares IV Sases, (ruled for at least 26 years during the mid-1st century CE), was an Indo-Parthian king who ruled in northwestern parts of India in modern Pakistan. He is only known from coins.

Sases apparently succeeded Abdagases in Sindh and Gandhara, and at some point during his reign assumed the name/title Gondophares, which was held by the supreme Indo-Parthian rulers. His coins show the Greek deity Zeus, forming a benediction sign (possibly Vitarka mudra), and incorporate the Buddhist symbol of the triratana.

With the modern datings supplied by Robert Senior, Gondophares IV is a likely candidate for several possible historical references to Indo-Parthian kings of the 1st century AD. Traditionally, these references have been thought to be about Gondophares I, as earlier scholars did not realise that "Gondophares" became a title after the death of this king, just as the name of the first emperor, Augustus, in the Roman Empire, was used by all later emperors as a title.