Learn how to say Sororicide correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sororicide:
the killing of one’s sister.
[count noun] a person who kills their sister.
mid 17th century (denoting a person who kills their sister, derived from Latin sororicida): the primary current sense comes from late Latin sororicidium, from soror ‘sister’ + -cidium (see -cide)