mansuetude[man′swi to̵̅o̅d′, -tyo̵̅o̅d′]
mansuetude definition by Webster's New World
Origin: Middle English ; from Classical Latin mansuetudo ; from past participle of mansuescere, to tame ; from manus, a hand (see manual) plush suescere, to accustom ; from Indo-European base an unverified form swedh-, custom from source Classical Greek ēthos
mansuetude definition by American Heritage Dictionary
Origin: Middle English, from Old French, from Latin mānsuētūdō, from mānsuētus, past participle of mānsuēscere, to tame : manus, hand; see man-2 in Indo-European roots + suēscere, to accustom; see s(w)e- in Indo-European roots.