E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A dictionary. (Italian, calepino.) Ambrosio Calepino, of Calepio, in Italy, was the author of a dictionary, so that my Calepin, like my Euclid, my Johnson, according to Cocker, etc., have become common nouns from proper names. Generally called Calepin, but the subjoined quotation throws the accent on the le.