primogenitor

Definitions of primogenitor
1

n an ancestor in the direct line

Synonyms:
progenitor
Examples:
Blessed Virgin
the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics
Naomi
the mother-in-law of Ruth whose story is told in the Book of Ruth in the Old Testament
Types:
genitor
a natural father or mother
parent
a father or mother; one who begets or one who gives birth to or nurtures and raises a child; a relative who plays the role of guardian
Type of:
ancestor, antecedent, ascendant, ascendent, root
someone from whom you are descended (but usually more remote than a grandparent)

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.