overthrowal
nounUK /əʊvəˈθɹəʊəl/
Etymology From overthrow + -al.
1
The act of overthrowing something or someone.
- So he will interfere with natural growth by subjecting himself to unnatural discipline and putting himself to impossible tasks, such as the upsetting of kings and the overthrowal of empires.1942, Rebecca West, Black Lamb and Grey Falcon, Canongate, published 2006, →ISBN, page 818: