<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Niddah (or nidah; Hebrew: נִדָּה ‬), in Judaism, describes a woman during menstruation, or a woman who has menstruated and not yet completed the associated requirement of immersion in a mikveh (ritual bath). </P> <P> In the Book of Leviticus, the Torah prohibits sexual intercourse with a niddah . The prohibition has been maintained in traditional Jewish law and by the Samaritans . Since the later 19th century, with the influence of German Modern Orthodoxy, the laws concerning niddah are also referred to as taharath hamishpacha (טהרת המשפחה ‬, Hebrew for family purity). </P>

Where does the term blood bath come from
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