:: a person related to you (a relative) who lived a long time ago / any member of your family from long ago, for example, the grandparents of your grandparents
:: one from whom a person is descended and who is usually more remote in the line of descent than a grandparent
My ancestors came to America in the 1880s.
He returned to Ecuador, where his mother’s ancestors lived.
There were portraits of his ancestors on the walls of the room.
Her ancestors were great sea captains.
My ancestors came from Belarus.

:: a progenitor of a more recent or existing species or group
an ancient animal that was the ancestor of the modern horse

:: a plant, animal, or object that is related to one existing at a later point in time (FORERUNNER, PROTOTYPE)
This wooden instrument is the ancestor of the modern metal flute.
The museum included an exhibit showing ancestors of the modern computer.

гл. таксама: forefather, forebear(s) / forbear(s), primogenitor

пращур (предок)