spadassinicide

noun2

1. •
   (rare) The act of coaxing someone, usually through insult, into initiating a swordsman's duel, and subsequently killing that person with superior skill so as to commit legal murder.
2. •
   (rare) One who performs such an act.

   • Challenges are flying right and left between these bully-swordsmen, these spadassinicides, and poor devils of the robe who have never learnt to fence with anything but a quill. — 1921