parricide
noun /ˈpærɪsaɪd/
/ˈpærɪsaɪd/
[uncountable, countable] (formal)- the crime of killing your father, mother or a close relative; a person who is guilty of this crime compare fratricide, matricide, patricide, uxoricideWord Originlate 16th cent.: from French, from Latin parricidium ‘murder of a parent’, with first element of unknown origin, but for long associated with Latin pater ‘father’ and parens ‘parent’.