S / suppŭtātĭo
noun

suppŭtātĭo

gen. suppŭtātōnis · gender feminine · decl. 3rd
a reckoning up; computation
a reckoning up, computation, Vitr. 3, 1 med.; Arn. 2, 93: temporum, Aug. Civ. Dei, 18, 36: stadiorum, Mart. Cap. 6, § 609.