• Synonyms: aboriginal, primal, primeval, primaeval, primordial
  Meaning: having existed from the beginning; in an earliest or original stage or state; "aboriginal forests"; "primal eras before the appearance of life on earth"; "the forest primeval"; "primordial matter"; "primordial forms of life"

• They've got some peculiarly isolated valley or tableland up there, and their primeval customs have survived. That's all there is to it."
• With the assistance of John Hanks he plowed fifteen acres, and split, from the tall walnut-trees of the primeval forest, enough rails to surround them with a fence.
• Many of its details were doubtless suggested by the annual floods and fogs which inundate that famous valley and recall the primeval chaos so vividly pictured in the corresponding Babylonian story of the creation.

0. Word pronunciation is derived from article recording Big Bang, License CC BY-SA 4.0
1. Word pronunciation is derived from article recording Fin whale, License CC BY-SA 4.0