FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

niddah nid-daw' — from 5074; properly, rejection; by implication, impurity, especially personal (menstruation) or moral (idolatry, incest):--X far, filthiness, X flowers, menstruous (woman), put apart, X removed (woman), separation, set apart, unclean(-ness, thing, with filthiness).

see HEBREW for 05074