morsure
/ˈmɔːʒə/Now rare
noun
The action or an act of biting; a bite.
Origin
Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From Anglo-Norman and Middle French morsure from post-classical Latin morsura action of biting, bite from classical Latin mors-, past participial stem of mordēre to bite + -ūra.