Catholicon Anglicum

The Catholicon Anglicum was an English-to-Latin bilingual dictionary compiled in the later 15th century.

The Catholicon Anglicum was written in 1483.

The author of the Catholicon Anglicum was anonymous at the time of its writing in the 15th century, their true identity remains unknown to the present day. From the dialect of English that they have used, it has been speculated that they might have been a native of Yorkshire in the north east of England.

The book was republished by the Camden Society in 1882. The dictionary was edited by Sidney Herrtage prior to its republication.

There are two known copies of the dictionary still in existence, only one of which is complete.

One of the dictionaries resides in the British Library; some of the leaves in this copy are missing. It has been edited from the manuscript no. 168 and has been collated with the manuscript no. 15562. The British Museum acquired it from the library of Lord Monson. The British Library is a successor organisation to the Museum, becoming a separate entity in 1973, at which time the Catholicon Anglicum became part of its collection rather than that of the Museum.

The second known copy, and only complete example, of the Catholicon Anglicum is held in a private collection.

In 2013 the complete copy of the Catholicon Anglicum was sold to a buyer outside of the United Kingdom for £92,500 and an export ban was subsequently placed on the book by the culture minister Ed Vaizey after a recommendation from the Reviewing Committee on the Export of Works of Art and Objects of Cultural Interest (RCEWA), administered by Arts Council England. The purchase price was eventually matched by the British Library, who purchased the book in March 2014, shortly before the expiration of the ban.

The Catholicon Anglicum is notable for being one of the earliest dictionaries in the English language. The Oxford English Dictionary have stated that many important words in the English language such as diphthong were first attested in the Catholicon Anglicum.

The importance of the Catholicon Anglicum has been described by Ed Vaizey:The manuscript is of outstanding significance for the history of the English language, which is fundamental to the identity and life of our nation."

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