performatio

performatio [ML] , (act of) carrying out, execution, performance. b (act of) bringing to completion or bringing about (a sum of money). s1456 ad executionem, sive ~onem, vestre ‥ voluntatis Reg. Whet. I 252; 1539 in complementum execucionis et ~onis quarundam barganizacionis et convencionis FormA 215.  b s1456 si ‥ possessiones sic retente nolunt attingere ad summam decem millium marcarum ‥ tunc regina aliter erit recompensata, ad plenam ~onem decem millium marcarum Reg. Whet. I 258.