The story
- Old French · derived fromendenteure
- Anglo-Norman · derived fromendenture
- English todayindenture
From Anglo-Norman endenture, from Old French endenteure, from endenter (“to dent”). The name of the contract derives from the irregular dent-shaped cut (indentation) used to prove the authenticity of the two parts, similar to a chirograph.
Etymology from Wiktionary, CC BY-SA 4.0.