LSJ Gloss:ἀμοιβήa requital, recompense, compensation, return, paymentDodson:ἀμοιβήa change, an exchangea change, an exchange; hence plur: reciprocal good deeds (services), a fitting requital.
TBESG:ἀμοιβήrepaymentG:N-F ἀμοιβή, -ῆς, ἡ (< ἀμείβομαι, to repay); [in Aq., Sm.: Pro.12:14, al. ;] requital, recompense: 1Ti.5:4 (for illustration from τ.. see MM, VGT, see word).† (AS)