περικίων
From LSJ
Ῥῦσέ με δεινῶν νοσημάτων, ἱερώτατε, ἱερωσύνην συναρμόσας ἐν χαρᾷ και ἐπιστήμης τὸ πολύτιμον κεφάλαιον → Deliver me from grievous afflictions, most holy one, joining sanctity together in joy with the precious fountainhead of knowledge
English (LSJ)
ον, gen. ονος,
A surrounded with pillars, θάλαμοι E.Fr.369.5 (lyr.) ; περικίονας ναούς (Elmsl. for ναοῦ or ναῶν) Id.IT405 (lyr.).