overturning, n.All

Overturning (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Lenin's word for Marx's relation to Hegel, head over heels, though he also calls it a decapitation.