lese-majesty (n.) Look up lese-majesty at Dictionary.com
"offense against sovereign authority, treason," 1530s (mid-15c. as an Anglo-French word), from French lèse-majesté, from Latin laesa majestos "violated majesty," from laesus, past participle of laedere "to hurt, injure, damage, offend, insult," of unknown origin. Brachet calls French lèse "a latinism introduced by the lawyers."