synedrus

Etymology
From the, from.

Noun

 * 1)  a,  equivalent to a Roman
 * 2) * circa 20 BC, Titus Livius Patavinus (author), W. Weissenborn (editor), Ab Urbe Condita Libri (1881), book XLV, chapter xxxii, §§ 1–2 (pages 86–87):
 * [H]is rerum externarum cognitionibus interpositis Macedonum rursus advocatum concilium; pronuntiatum, quod ad statum Macedoniae pertinebat, senatores, quos synedros vocant, legendos esse, quorum consilio res publica administraretur.
 * The congress of the Macedonians which had been interrupted by these proceedings was again convened. First of all the status of Macedonia was defined. Senators, who were known as “synedri,” were to be elected to form a council for the administration of government. ― translation by the Rev. Canon Roberts (1912)