What is "tomarsa"

Tomarsa (or Tamuza) was bishop of Seleucia-Ctesiphon and primate of the Church of the East from 363 to 371. He took office at the end of the great persecution of Shapur II. Like several other early bishops of Seleucia-Ctesiphon, he is included in the traditional list of patriarchs of the Church of the East.