progenitor
Concise Oxford English Dictionary © 2008 Oxford University Press:
progenitor /prə(ʊ)ˈdʒɛnɪtə/
▶noun
- 1 an ancestor or parent.
- 2 the originator of an artistic, political, or intellectual movement.
– derivatives
progenitorial adjective.
progenitorial adjective.
– origin ME: from OFr. progeniteur, from L. progenitor, from progenit-, progignere ‘beget’, from pro- ‘forward’ + gignere ‘beget’.
'progenitor' also found in these Oxford entries:

