From inter- + devour.
interdevour (third-person singular simple present interdevours, present participle interdevouring, simple past and past participle interdevoured)
- (rare) Of many people, creatures etc.: to devour each other.
- Epicurus said of the lawes that the worst were so necessary unto us, that without them men would enterdevour one another.
- 1987, Richard Preston, First Light:
- His prime suspect for cannibalism was a nightmarish object — a pack of nine galaxies in a feeding frenzy, interdevouring one another.