The Collaborative International Dictionary
                    Cosmogonal
                    
                        
                
                                                                    Cosmogonal \Cos*mog"o*nal\ (k?z-m?g"?-nal), Cosmogonic
\Cos`mo*gon"ic\ (k?z`m?-g?n"?k), Cosmogonical \Cos`mo*gon"ic*al\
   (-g?n"?-kal), a.
   Belonging to cosmogony. 
--B. Powell. Gladstone.
Wiktionary
                    cosmogonal
                    
                        
                
                                                                    a. (context archaic English) Of or pertaining to cosmogony.
Usage examples of "cosmogonal".
In all these and similar legends, the bird is a relic of the cosmogonal myth which explained the origin of the world from the action of the winds, under the image of the bird, on the primeval ocean.