The term “monarchomachs” (from the Greek, “fighters against kings”) was coined in 1600, in the Latin treatise De regno et regali potestate, adversus Buchananum, Brutum, Boucherium et reliquos monarchomachos libri sex (“Six books on the Monarchy and Royal Authority, against Buchanan, Brutus, Boucher, and the Other Monarchomachs”) by the Scottish monarchist William Barclay. The term was intended to denounce all contemporary political theorists who argued for constraints on the power of the monarchy and declared resistance – up to and including tyrannicide – legiti…