ἀνταλλαγή
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)
ἡ,
A exchanging, exchange, barter, Gloss., Simp.in Ph. 1350.32.
German (Pape)
[Seite 243] ἡ, der Umtausch.