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Kotomora

原げん因いん究きゅう明めい

げ
ん
い
ん
きゅ
う
め
い

Meanings

1

noun, noun or participle which takes 'suru'

investigation to determine the cause; tracing back to the origin

Formal noun often used in technical, medical, or accident contexts. Can be used as a suru-verb (原因究明する) meaning 'to investigate the cause'.