E / excrēmentum
noun

excrēmentum

gen. excrēmenti · gender neuter · decl. 2nd
an elevation; prominence
an elevation, prominence: humilior inter excrementa costarum spina, Sid. Ep. 1, 2.—
by extension
Transf., of numbers which increase regularly in series: sic decem milia ceteraque excrementa, Mart. Cap. 7, § 734.