comparative of (elderly); older; as noun, a senior; specially, an Israelite Sanhedrist (also figuratively, member of the celestial council) or Christian "presbyter":-- elder(-est), old.
neuter of a presumed derivative of a compound of σύν and the base of ἑδραῖος; a joint session, i.e. (specially), the Jewish Sanhedrin; by analogy, a subordinate tribunal:--council.