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Elementary Dictionary
       

an·ces·tor

ancestor

 
 
pronunciation:
aen ses str [or] aen ss str
features:
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part of speech: noun
definition 1: An ancestor is a person of your family who lived a long time before you were born. The grandmother of your grandmother is one of your ancestors.
Amy's ancestors came to America from China more than a hundred years ago.
similar words:
father, parent
definition 2: An ancestor is a living thing from a very long time ago that is related to a living thing that is on the earth now. Over time, many changes occurred to the ancestor so that it developed into the living thing that it is now.
It's hard to believe that these animals that seem very different developed from a common ancestor.
similar words:
father, mother
Word History
The word ancestor comes from a Latin word that means "to go before."
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