ktenology
The science of putting people to death.
rare, uncountable
The triumph of ktenology was reached in the development by Professor Dr. Heissmeyer, one of Dr. Gebhardt's associates at the SS hospital of Hohenlychen, of intravenous injections of a suspension of live tubercle bacilli […]
Where it comes from
Coined by Leo Alexander (1905–1985), American psychiatrist and neurologist, from Ancient Greek roots.
Adapted from the Wiktionary entry ktenology (CC BY-SA 4.0).