archfoe

English

Etymology

arch- +‎ foe

Noun

archfoe (plural archfoes)

1. archenemy
   • 2007 December 16, Clifford J. Levy, “Russia's Knockoff Democracy”, New York Times:

     This contrast was noted even by one archfoe, Mikhail B. Khodorkovsky, the billionaire who was arrested after publicly challenging the Kremlin.