e/Mother Grundy

Information
has gloss	eng: Mother Grundy is an etiological myth referring to a mountain, the "Madre Grande". Myth refers to a woman who is literally "as old as the hills" who came from this mountain, clinging to the "old ways" when the original inhabitants of Mexico and California lived around the area of the mountain. These old ways became erroneously associated with grundyism, giving rise to the eponym.
lexicalization	eng: Mother Grundy
instance of	(noun) the name derived from a person (real or imaginary); "Down's syndrome is an eponym for the English physician John Down" eponym