1. In a manner originating or occurring naturally in a place; indigenously; as a native inhabitant or species.
Usage: Formal; often used in academic, geological, or anthropological contexts

Examples

• The plant species developed autochthonously on the isolated island over millions of years.
• These peoples inhabited the region autochthonously long before any foreign settlement.
• The mineral deposits formed autochthonously within the bedrock rather than being transported from elsewhere.
• The culture evolved autochthonously, shaped by local geography and resources.
• Autochthonously derived populations show distinct genetic markers from their ancestral homeland.