Definitions for "Autochthonous"
Aboriginal; indigenous; native.
Native; indigenous (adjective); this arcane word means the same as native and indigenous, and those are older and well-accepted expressions.
originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan"
Refers to something formed in its present location. Antonym of allochthonous.
Of or relating to material that originated in its present position (e.g., from the decomposition of plants). Opposite of allochthonous (see above).
In geology, something formed in its present location. Antonym of allochthonous.
Describing a rock or mineral that formed in the same location where it was found.
A term applied to rocks of which the dominant constituents have been formed in the natural or original position as opposed to prior erosion and disposition.
of rocks, deposits, etc.; found where they and their constituents were formed
Derived from within a system, such as organic matter in a stream resulting from photosynthesis by aquatic plants.
Originating on site, e.g., aquatic plants found in the stream (Society of American Foresters 1983).
describes organic matter produced by aquatic plants within a river or stream.
Keywords:  biology
In taphonomy, refers to a body that is in the same place where it originally died.
Keywords:  acquired, locally
"locally acquired"
Keywords:  applied, place, produced, formed, term
Formed or produced in the place where now found. The term is widely applied.