προσεδρεύω
(πρόσεδρος, sitting near), [in LXX: 1Ma.11:40 * ;]
__1. to sit near.
__2. to attend regularly: with dative, 1Co.9:13, Rec. (see: παρεδρεύω).†
παρ-εδρεύω
[in LXX: Pro.1:21 8:3 * ;]
to sit constantly beside, attend constantly (cf. MM, xix): τ. θυσιαστηρίω, 1Co.9:13.†
(AS)