sororicide

Definition

The killing of one's sister.

Etymology

From Latin sorōricīdium (“killing of one’s sister”), from soror (“sister”) + -cīdium (“killing”). Equivalent to Latin soror (“sister”) + -cide (“killing”).

Example Sentences

• "Terms related to familicide include filicide (the killing of one's child or children), uxoricide (the killing of one's wife), fratricide or sororicide (the killing of one's brother or sister), avunculicide (the killing of one's uncle), and nepoticide (the killing of one's nephew)."