primordial
adjective
[ prʌɪˈmɔːdɪəl ]
• existing at or from the beginning of time; primeval.
• "the primordial oceans"
Similar:
ancient,
earliest,
first,
prehistoric,
antediluvian,
antique,
primeval,
primitive,
primal,
autochthonous,
autochthonic,
primigenial,
Origin:
late Middle English: from late Latin primordialis ‘first of all’, from primordius ‘original’ (see primordium).