Lewis & Short

praestātĭo, ōnis, f. [2. praesto].

  1. I. Lit., a guaranty, warranty (post-Aug.): ut ad praestationem scribant, if they pledge themselves for the truth of what they write, Sen. Brev. Vit. 13, 9; Dig. 45, 1, 2.
  2. II. Transf., in gen., payment of any thing due (post-class.): remittere, Vulg. 1 Macc. 10, 28: praestatio dotis, Dig. 31, 1, 35: vectigalium, ib. 10, 3, 7: usumfructum locare sub certā annuā praestatione, Cod. Just. 3, 33, 10: fiscalium praestationum exactores, Firm. Math. 4, 3; 6, 3.