• synonyms


  1. a combining form meaning “one's own,” used in the formation of compound words: proprioceptive.
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Origin of proprio-

combining form representing Latin proprius one's own, special, particular, proper

motu proprio

[moh-too proh-pree-oh]
noun Latin.
  1. any of certain documents issued by the pope without counsel from others.
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Origin of motu proprio

literally, of one's own accord

proprio motu

[praw-pri-oh moh-too; English proh-pree-oh moh-too]
adverb Latin.
  1. by one's own volition; on one's own initiative.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for proprio

Historical Examples

  • Archilochum, for instance, according to the Roman writer, proprio rabies armavit iambo.

    The Girl on the Boat

    Pelham Grenville Wodehouse

  • Infectores qui alienum colorem in lanam conficiunt, offectores qui proprio colori novum officiunt.

  • Foreign canon law never bound (so it has been taught) proprio vigore.

  • Well, I'm in the very dickens of a quandary—son' proprio nel dickens d'un imbarazzo.

  • Quicquid praeconialiter egeris, proprio matrimonio dignissimus aestimaris.'

    The Letters of Cassiodorus

    Cassiodorus (AKA Magnus Aurelius Cassiodorus Senator)

British Dictionary definitions for proprio

motu proprio

  1. an administrative papal bull
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Word Origin

Latin: of his own accord
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012