man-slaughtering
/ˈmanˌslɔːtərɪŋ/ /ˌmanˈslɔːtərɪŋ/adjective
That slaughters or that is capable of slaughtering human beings; of the nature of or characteristic of the slaughtering of human beings.
Origin
Early 18th century; earliest use found in George Berkeley (1685–1753), Church of Ireland bishop of Cloyne and philosopher. From man + slaughtering.