Great-Grandparents
People from Portugal are called "Portuguese"
Portuguese people are known as Lusitans ("Lusitanos" in Portuguese). That's why there is for instance a news agency in Portugal called Lusa, or Portuguese people in America are called Luso-Americans, or why a famous portuguese horse breed is called Lusitan horse.
The Portuguese designed a class of small, maneuverable sailing ship called a caravel.
European / White Caucasian Don't mistake for Hispanic / Mexican.
Yes - if one of your four grandparents was Portuguese you would be called "quarter-Portuguese." The same would apply if and two great grand parents were Portuguese, for example, one maternal great grandparent and one paternal great grandparent was Portuguese
The father's parents are called grandparents.
Great-Grandparents
There is no name for a "group of grandparents."
Frederick and Lemuria are Jessie's grandparents.
Grandparents are called dadi dada; dadi for grandmom and dada for grand dad in hindi.
In Scots, grandparents are often called "grannies" and "grampas" or "gran" and "granda."
People from Portugal are called "Portuguese"
Portuguese people are known as Lusitans ("Lusitanos" in Portuguese). That's why there is for instance a news agency in Portugal called Lusa, or Portuguese people in America are called Luso-Americans, or why a famous portuguese horse breed is called Lusitan horse.
Slippery elm is called "ulmo escorregadio" or "ulmária" in Portuguese.
In English : Portuguese In Portuguese : Português (single) Portugueses (plural)
Portuguese is a language. The country is called Portugal and it is not a continent.