Gehenna
Concise Oxford English Dictionary © 2008 Oxford University Press:
Gehenna /gəˈhɛnə/
▶noun a name for hell.
– origin via eccles. L. from Gk geenna, from Heb. gē' hinnōm ‘hell’, lit. ‘valley of Hinnom’, a place near Jerusalem where children were sacrificed to Baal.
'Gehenna' also found in these Oxford entries:

