mansedumbre
gentleness
manso
gentle, tame
+
-umbre
noun suffix (abstract quality)
Mansedumbre means gentleness and can be broken down into manso0 (gentle, tame0) + -umbre1 (abstract quality1), literally meaning 'the quality of being gentle'.
noun
- gentlenessGentleness, meekness, or docility.La mansedumbre de su carácter le ganó muchos amigos. // The gentleness of his character won him many friends.