Definition of "Chaucerian"

Literary Bengali of prose, during the greater part of the 19th century, was thus a doubly artificial language ; and, with its forms belonging to Middle Bengali, and its vocabulary highly Sanskritised, it could only be compared to a 'Modern English' with a Chaucerian grammar and a super-Johnsonian vocabulary, if such a thing could be conceived.

1926, Suniti Kumar Chatterji, The Origin and Development of the Bengali Language, page 134