commentarius

From commentor + -ārius.

• (Classical Latin) IPA^(key): [kɔm.mɛnˈtaː.ri.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [kom.menˈtaː.ri.us]

commentārius m (genitive commentāriī or commentārī); second declension

1. memorandum, notebook

   Commentarii de Bello Gallico ― Commentaries on the Gallic War (written by Julius Caesar)

2. diary, journal
3. (law) a brief

Second-declension noun.

¹Found in older Latin (until the Augustan Age).

• commentāriolum

• “commentarius”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “commentarius”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “commentarius”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to enter a thing in one's note-book: aliquid in commentarios suos referre (Tusc. 3. 22. 54)
    
• “commentarius”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• commentarius in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎^[2], pre-publication website, 2005-2016
• “commentarius”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin