Etymology
From classical Latin dicere, dici, dictum, 'to say'. The word dictionarium first occurred in 1481. In 1656 the word "dictionary" was coined in English (Elisha Coles English Dictionary 1656).
Usage
Used as Latin word in English context, normally with adjective like Dictionarium museologicum or Dictionarium Latino Lusitanicum as a book title or website title. Also in plain text, like Ambrogio da Calepino (1453-1511), an Italian, published a Dictionarium or Dictionnaire polyglotte, in 1502 or However, his most notable works were his Dictionarium in five languages. The word dictionarium is used also many other languages such as Lithuanian and German.
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