primordial
I
adjective
aboriginal, archetypal, basal, basic, beginning, creative, elemental, elementary, first, fundamental, original, primal, primary, prime, primeval, primigenial, primitive, pristine, protogenic, prototypal, rudimentary, underived
II
index
original (initial), prime (original), rudimentary
Burton's Legal Thesaurus.
William C. Burton.
2006