primordial

Adjective
  1. Having existed from the beginning;
    In an earliest or original stage or state (synset 300817158)
    "aboriginal forests"; "primal eras before the appearance of life on earth"; "the forest primeval"; "primordial matter"; "primordial forms of life"
    similar to: early - at or near the beginning of a period of time or course of events or before the usual or expected time
    same as: aboriginal, primaeval, primal, primeval

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