The Collaborative International Dictionary of English v.0.48:

Ogygian \O*gyg"i*an\ ([-o]*j[i^]j"[i^]*an), a. [L. Ogygius, Gr.
   'Ogy`gios.]
   Of or pertaining to Ogyges, a mythical king of ancient
   Attica, or to a great deluge in Attica in his days; hence,
   primeval; of obscure antiquity.
   [1913 Webster]