n. 1. The earliest ancestor. 2. An ancestor or forebear. [Late Latin prīmōgenitor : Latin prīmō, at first (from prīmus, first; see per1 in the Appendix of Indo-European roots) + Latin genitor, begetter (from genitus, past participle of gignere, to beget; see genə- in the Appendix of Indo-European roots).] |
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