noun
court-initiated fact discovery
Legal term referring to a court's authority to investigate facts on its own initiative, without relying solely on the parties' submissions.
行政訴訟では、裁判所が職権探知を行うことがある。
In administrative litigation, the court may conduct fact discovery on its own authority.
Compound of 職権 (authority of office) and 探知 (detection, discovery). The exact historical derivation is uncertain; the term is used in modern legal contexts.