Welsh rarebit cause boby, good roasted cheese." In Boorde's account, "cause boby" is the Welsh "", meaning "baked cheese", but whether it implies a recipe like Welsh rarebit is a matter of speculation. The word "rarebit" is a corruption of "rabbit", "Welsh rabbit" being first recorded in 1725 and the variant "Welsh rarebit" being first recorded in 1785 by Francis Grose. According to the "Oxford English Dictionary", 'Welsh rarebit' is an "etymologizing alteration. There is no evidence of the independent use of rarebit". The word "rarebit" has no other use than in Welsh rabbit. "Eighteenth-century English cookbooks reveal that it was then
History of the Welsh language (Breton, Cornish, and the extinct Cumbric). It is not clear when Welsh became distinct. Kenneth H. Jackson suggested that the evolution in syllabic structure and sound pattern was complete by around 550, and labeled the period between then and about 800 "Primitive Welsh". This Primitive Welsh may have been spoken in both Wales and the Hen Ogledd ("Old North"), the Brythonic-speaking areas of what is now northern England and southern Scotland, and therefore been the ancestor of Cumbric as well as Welsh. Jackson, however, believed that the two varieties were already distinct by that time. The earliest Welsh poetry –