Tomos (Eastern Orthodox Church)
A tomos in the Eastern Orthodox Church is a decree of the head of a particular Eastern Orthodox church on certain matters.
Tomos is a Greek word; it can be literally translated as 'a section'. "In the narrower meaning in Orthodox church terminology, a tomos is a scroll or a small book, but one with a very specific purpose — it codifies a decision by a Holy Synod, or council of Orthodox bishops." The translation of the word tomos in English is document.