aboriginally

adverb4

1. •
   From or in the earliest known times.

   • […] man has lost that sense of the full awfulness of the sea which aboriginally belongs to it. — 1851
2. •
   In the period before contact with Europeans (especially with reference to peoples subjected to colonization).

   • Xaymaca, as the island was aboriginally known, is situated in the Caribbean Sea […] — 1896
3. •
   (Canada) By indigenous Canadians (often capitalized in this sense).

   • All land subject to the claim becomes either Crown land or aboriginally-owned land. — 1987
4. •
   To the utmost degree (modifying an adjective.)

   • Though his rage against iniquity is aboriginally simple and childlike, and is certainly not always level-headed, it is never divorced from reason […] — 1920