素そ因いん

noun, noun which may take the genitive case particle 'no'

basic factor; underlying cause

Refers to a fundamental element or root cause behind a phenomenon or situation. Often used in analytical or explanatory contexts.

• この問もん題だいの素そ因いんは、コミュニケーション不ぶ足そくにある。

  The basic factor behind this problem is a lack of communication.

noun, noun which may take the genitive case particle 'no'

predisposition; diathesis

Medical term for an inherent susceptibility to a disease or condition. Used in clinical or biological discussions.

• 遺い伝でん的てきな素そ因いんが、その病びょう気きの発はっ症しょうに関かん係けいしている。

  A genetic predisposition is involved in the onset of that disease.