inpropria persona

in pro·pri·a per·so·na (ĭn prō'prē-ə pər-sōʹnə) adv. Law

In one's own person, especially without representation by an attorney.

  [Medieval Latin in propriā persōnā: Latin in, in + Latin propriā, feminine ablative sing. of proprius, one's own + Latin persōnā, ablative of persōna, person.]

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