grandam
/ˈɡrandam
/(also grandame)
noun
1 archaic term for grandmother.Like her mother and her undefeated champion grandam, the precocious Storm Flag Flying keeps McGaughey on his toes.
1.1An old woman.One group crowds around a tippling grandam, closely attentive to her stories.
1.2A female ancestor.
Origin
Middle English: from Anglo-Norman French graund dame (see grand, dame). Of the English terms of relationship formed with grand, this is the oldest.