hecatomb
/ˈhɛkətuːm/noun
High School
1
A great public sacrifice to the gods, originally of a hundred oxen; also, a great number of animals reserved for such a sacrifice.
2
A great public sacrifice in other religions; also, a great number of animals or people reserved for such a sacrifice.
3
A great number of animals, people, or things that are sacrificed or destroyed; any great sacrifice; also (generally), a large amount.