きげん起源kigen
1.

The point or source from which something originates or begins, often indicating its initial cause or reason for existence.

2.

The historical or cultural roots of a concept, event, or practice, often involving an exploration of its early development and significance.

3.

The fundamental source or starting place from which something grows or evolves, highlighting its foundational aspects.

Example:

この民族の起源は神秘につつまれている。