suffix
-cide; killing; killer of ...
Suffix attached to nouns to mean 'killing of ...' or 'killer of ...'. The reading is ごろし, not ころし. Compare with 殺し (ころし), which is the noun form of 殺す.
See also: 殺し (ころし)
「人殺し」は「ひとごろし」と読む。
人殺し is read as ひとごろし.
「親殺し」という言葉は、親を殺すこと、またはその人を指す。
The word 親殺し means killing one's parent or a person who does so.