aboriginally

From or in the earliest known times.

[…] man has lost that sense of the full awfulness of the sea which aboriginally belongs to it.

[…] aboriginally the horse must have inhabited countries annually covered with snow, for he long retains the instinct of scraping it away to get at the herbage beneath.

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 […]

[…] in the New World, where pots were never aboriginally shaped by turning, wheeled vehicles also were absent […]

By indigenous Canadians (often capitalized in this sense).

All land subject to the claim becomes either Crown land or aboriginally-owned land.

It appears that lack of funding and control led to the demise of this program, but that with further refinement the idea has merit especially within an Aboriginally-controlled justice system.

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 […]

There is something aboriginally absurd in the idea of the old gentleman staring wild-eyed at his own legs; and half recalling something familiar about them; as if he were revisiting the landscape of his youth.