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 speaking Cumbric, and those in the south-west, speaking what would become Cornish, and so the languages diverged. The Book of Aneirin ("Canu Aneirin", c. AD 600) and the Poetry, or Book, of Taliesin ("Canu Taliesin") belong to this era, though both also include some poems originally written in Primitive Welsh. Middle Welsh () is the label attached to the Welsh of the 12th to 14th centuries, of which much more remains than for any earlier period. This is the language of nearly all surviving early manuscripts of the "Mabinogion", although the tales themselves are certainly much older. It is also