ancestor
//ˈæn.ses.tər//
Noun
ancestorSingular
ancestorsPlural
1
A person from whom one is descended, especially one more remote than a grandparent; a forebear.
My ancestors came to this country over two hundred years ago.
2
An early type of animal or plant from which later species evolved.
Scientists believe that modern birds evolved from a dinosaur ancestor.
3
Something that serves as an earlier model or prototype for a later development.
The abacus is considered an ancestor of the modern computer.