The Collaborative International Dictionary
Primigenious
Primigenious \Pri`mi*ge"ni*ous\, Primigenous \Pri*mig"e*nous\,
a. [L. primigenus, primigenius. See Primogeniture.]
First formed or generated; original; primigenial.
--Bp. Hall.
Wiktionary
primigenious
a. (alternative form of primigenous English)