Liddell-Scott-Jones

συνάλλαγμα (sunallagma) exchange ^G:N-N

συνάλλαγμα-αγμα, ατος, τό,

covenant, contract, [Refs 4th c.BC+]; σ. ποιεῖσθαι [Refs 4th c.BC+]; commitments, διὰ -μάτων ἀνάγκην [Refs 4th c.BC+]

__2 generally, in plural, dealings, transactions, [Refs 5th c.BC+]; ἑκούσια σ., i.e. sales, loans, etc., distinguished from ἀκούσια σ., i.e. crimes of force or fraud, [Refs 4th c.BC+]; βίαια σ. [LXX+3rd c.BC+]

_{LSJ Scripture Refs: LXX.Isa.58.6}