Definition of aboriginary in English:

aboriginary

Pronunciation /ˌabəˈrɪdʒ(ɪ)n(ə)ri/

adjective

rare
  • Primordial; existing from or relating to the very beginning of time.

    Only used with reference to the work of Jacques Derrida, though a source in Derrida's writing has not been found.

Origin

Mid 17th century (in an earlier sense). From aborigine + -ary, perhaps after originary or post-classical Latin originarius originary.