συγκάθεδρος
From LSJ
φιλοσοφώτερον καὶ σπουδαιότερον ποίησις ἱστορίας ἐστίν: ἡ μὲν γὰρ ποίησις μᾶλλον τὰ καθόλου, ἡ δ' ἱστορία τὰ καθ' ἕκαστον λέγει → poetry is something more scientific and serious than history, because poetry tends to give general truths while history gives particular facts
English (LSJ)
ὁ,
A assessor, colleague, Ulp. ad D.21.178, Hsch. s.v. συνθάκων; condemned by Thom.Mag. p.292 R.