The English language has no specific term describing the relationship between a wife and her husband's grandmother. If you absolutely require something other than "my husband's grandmother" you could try "grandmother-in-law." However, that term is neither widely used nor accepted.
She is your paternal grandmother.
In Icelandic your grandmother would be "amma" and your great-grandmother "langamma". One on-line translator renders it as "frábært amma" and "mikill-amma".
Ah, what a lovely question. You can call your cousin's grandmother your "great-aunt" or simply "grandma" if you feel close to her. Family relationships are special, so feel free to use a term that feels warm and loving to you. Just remember, it's not the title that matters most, but the love and connection you share.
Your great grandmother's sister is your great-great-aunt.
The English language does not include a relationship called "great mother." It has terms "grandmother" (the mother of your father or of your mother) and great grandmother (the mother of one of your grandparents. The sister of your grandmother is your great aunt. The sister of your great grandmother is your great great aunt.
* If your husband's children have accepted you as a step-mother and you get along then you would not technically be their true grandmother; but, if his children want you to be part of their children's lives then yes, you could be a grandmother. The children may with to call his former wife 'grandmother; granny, grandma' but they could call you 'nanna; nanna Mary (by your Christian name) or may have a nickname for you.
Your grandmother's grandmother is your great-great-grandmother.
Great Grandmother
Your grandmother's mother would be your great-grandmother.
Your grandmother's mother would be your great-grandmother.
She is your paternal grandmother.
In Marathi, you would call your grandmother "आजी" (pronounced as "Aaji").
Gram? is that her grandmother if it is then it is your great grandmother
In Malayalam, grandmother is called "ammachi" or "achamma".
Your father's grandmother is typically referred to as your great-grandmother.
A grandmother is 'une grand-mère' in French. Grandchildren often call her 'Mamie'.
your great great grandmother.