
1) Autochthonous 2) First Nations related 3) Indigenous 4) Native 5) Original or earliest known 6) Present from the start
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https://www.crosswordclues.com/clue/aboriginal

• (a.) First; original; indigenous; primitive; native; as, the aboriginal tribes of America. • (a.) Of or pertaining to aborigines; as, a Hindoo of aboriginal blood. • (n.) An original inhabitant of any land; one of the aborigines. • (n.) An animal or a plant native to the region.
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http://thinkexist.com/dictionary/meaning/aboriginal/

1. An original inhabitant of any land; one of the aborigines. ... 2. An animal or a plant native to the region. 'It may well be doubted whether this frog is an aboriginal of these islands.' (Darwin) ... 1. First; original; indigenous; primitive; native; as, the aboriginal tribes of America. 'Mantled o'er with aboriginal turf.' ... 2. Of or pertaini...
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http://www.encyclo.co.uk/local/20973

Pagan tradition of the native Australian people.
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http://www.encyclo.co.uk/visitor-contributions.php
Ab`o·rig'i·nal adjective [ See
Aborigines .]
1. First; original; indigenous; primitive; native; as, the
aboriginal tribes of America. 'Mantled o'er with
aboriginal turf.'
Wordsworth. 2. Of or pertaining to aborigines; as, a Hindoo of
aboriginal bl...
Found on
http://www.encyclo.co.uk/webster/A/6

[
adj] - having existed from the beginning
Found on
http://www.webdictionary.co.uk/definition.php?query=aboriginal
adjective characteristic of or relating to people inhabiting a region from the beginning; `native Americans`; `the aboriginal peoples of Australia`
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https://www.encyclo.co.uk/local/20974
primal adjective having existed from the beginning; in an earliest or original stage or state; `aboriginal forests`; `primal eras before the appearance of life on earth`; `the forest primeval`; `primordial matter`; `primordial forms of life`
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https://www.encyclo.co.uk/local/20974

of, pertaining to, or typical of aborigines: aboriginal customs. · original or earliest known; native; indigenous: the aboriginal people of Tahiti.
Found on
https://www.infoplease.com/dictionary/aboriginal
No exact match found.