M / mācĕrātĭo
noun

mācĕrātĭo

gen. mācĕrātōnis · gender feminine · decl. 3rd
a steeping, soaking, maceration
a steeping, soaking, maceration: diuturna, Vitr. 6, 2.—
A making soft; tender
A making soft or tender, Arn. 4, 152.