genitor

[jen-i-ter] /ˈdʒɛn ɪ tər/
noun
1.
a parent, especially a father.
Origin
1400-50; late Middle English < Latin, equivalent to geni- (variant stem of gignere to beget) + -tor -tor; cognate with Greek genétōr, Sanskrit janitar-
British Dictionary definitions for genitor

genitor

/ˈdʒɛnɪtə; -tɔː/
noun
1.
the biological father as distinguished from the pater or legal father
Word Origin
C15: from Latin, from gignere to beget