The word ‘Mother’ derives from the Old English term modor, which is cognate with the Latin word mater and the Greek word meter. (From the Latin term, such words as maternal and maternity are derived.)
The term refers not only to a female parent but also to a woman in authority, such as the head of a women’s religious community; it was also long employed as a respectful term of address for an elderly woman. It may also apply to an origin, precursor, or source, as in the expression “Necessity is t