Incorrect - the word is actually Greek in origin and goes back quite a ways before WW2
hol·o·caust
/ˈhäləˌkôst,ˈhōləˌkôst,ˈhäləˌkäst,ˈhōləˌkäst/
noun
1.
destruction or slaughter on a mass scale, especially caused by fire or nuclear war.
“a nuclear holocaust”
Incorrect - the word is actually Greek in origin and goes back quite a ways before WW2
hol·o·caust /ˈhäləˌkôst,ˈhōləˌkôst,ˈhäləˌkäst,ˈhōləˌkäst/ noun 1. destruction or slaughter on a mass scale, especially caused by fire or nuclear war. “a nuclear holocaust”