man·u·mis·sion \ˌ ̷ ̷ ̷ ̷ˈmishən\noun Etymology: Middle English, from Middle French, from Latin manumission-, manumissio, from manumissus (past participle of manumittere) + -ion-, -io -ion : the act or process of manumitting; especially: formal emancipation from slavery < was true to his profession of humanitarian and liberal principles and advocated the manumission of the slaves — A.L.Harris >