παρεδρ-εύω · paredr-euō — LSJ
wait, attend upon, Ἅιδου νύμφῃ παρεδρεύοις E. Alc. 746 (anap.) ; οἱ παρεδρεύοντες, of those who attend on the sick, Phld. Ir. p.29 W.; of sluice-keepers, Sammelb. 7174.16 (i A. D.) ; of a familiar spirit, PMag.Par. 1.1979 (hex.).
frequent, attend, θυμέλαις IG 5(1).734 (Sparta) ; γυμνασίοις ib. 14.1728.6 ; π. ταῖς ἐκκλησίαις ἐν ὅπλοις ib. 2(2).1028.35 ; ἐν τῷ ἱερῷ SIG 695.27 (Magn. Mae., ii B.C.) ; παρήδρευσαν ἕως . . Plb. 29.27.10.
of judges, act as assessor (πάρεδρος), παρεδρεύοντος ἄρχοντι D. 21.178 ; δοκιμάζονται [οἱ πάρεδροι] πρὶν παρεδρεύειν Arist. Ath. 56.1, cf. CIG 2855.6 (Didyma, ii B.C.) ; of Aeacus, as assessor with Pluto and Persephone, Isoc. 9.15.
in Tactics, occupy rear rank, Ascl. Tact. 3.6 ; τὸ παρεδρεῦον ζυγόν ib. 7.7.
Gramm., ἡ παρεδρεύουσα [συλλαβή] penultimate, A.D. Adv. 135.16, al. ; ὁ παρεδρεύων χρόνος the quantity of the penultimate, ib. 167.10 ; τῷ ᾱ, τῷ ῡ παρεδρεύεσθαι, to have α or υ in the penultimate, ib. 177.14, Ath. 9.392b.