The story
From affranchise + -ment (suffix forming nouns meaning the actions or results of actions denoted by the verbs to which it is attached). Compare French affranchissement.
Etymology from Wiktionary, CC BY-SA 4.0.
affranchisement
af·franch·ise·mentToday it means: Synonym of enfranchisement (“the action of affranchising; release from imprisonment, political oppression, or slavery; emancipation, freeing, liberation”) Full definition →