起き源げん説せつ

noun

theory of origins; origin hypothesis

Used in academic or analytical contexts to refer to a hypothesis about how something began.

• この起き源げん説せつはまだ証しょう明めいされていない。

  This theory of origins has not yet been proven.

• 言げん語ごの起き源げん説せつには様さま々ざまなものがある。

  There are various hypotheses about the origin of language.