So matth lives in or near Wrexham?, your miles out, he lives on a mountain in Snowdonia National Park.
I was only on the wind up but since you asked, According to the Oxford Dictionary. it's a description of how a word was once spelled in the past. Or an old kind of wheat with bearded ears and spikelets that each contain two narrow grains, not widely grown but favoured as a health food. But matth is Welsh so it might be correct in mountain dialect.