supputatio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

suppŭtātĭo (subp-), ōnis, f. [supputo],

a reckoning up , computation , Vitr. 3, 1 med. ; Arn. 2, 93: temporum, Aug. Civ. Dei, 18, 36: stadiorum, Mart. Cap. 6, § 609.