of unknown origin

Definition of of unknown origin

  1. —used to say that the source or cause of something is not known a disease of unknown origin

Word by Word Definitions

unknownplay
  1. :  not known or not well-known

    :  having an unknown value

  1. :  one that is not known or not well-known

    :  a person who is little known (as to the public)

    :  something that requires discovery, identification, or clarification: such as

originplay
  1. :  ancestry, parentage

    :  rise, beginning, or derivation from a source

    :  the point at which something begins or rises or from which it derives


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