regicidismn.
/ˈrɛdʒᵻˌsʌɪdɪz(ə)m/, U.S. /ˈrɛdʒəˌsaɪdɪz(ə)m/ Now rare.
The practice of regicide. Also: inclination towards regicide.
ΘΚΠ
the world > life > death > killing > killing of type of person > [noun] > of king > practise or principle of
regicidism1660
1660 R. Coke Justice Vindicated Ep. Ded. 10 Sacriledge, Regicidism and Murder.
1676 Doctr. of Devils 77 Any Crime, Villany, or Piacle whatever, Murther,..Regicidism [etc.].
1795 W. Taylor in Monthly Rev. 16 522 The stimulus required is—Regicidism.
1800 A. Seward Lett. (1811) V. 370 Our great and truly religious poet, Milton, published in defence of regicidism.
1916 A. Kornilov Mod. Russ. Hist. I. i. xii. 201 The question of regicidism was not carried out in practice, but the episode illustrates certain moods among the members.
1939 J. W. Thompson et al. European Civilization xxxvii. 623 In England the alarm over regicidism in the time of Queen Elizabeth and James I was great.
This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).
<
n.1660