Welsh

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 692

welsh, a. Pert, or relating to Wales, or its in- habitants. — n. sing, or pi. sing. The language of Wales, or of the Welsh, pi. (Geog.) The natives or inhabitants of Wales. [ME. walsh, AS. wselisc, foreign, AS. wealh, a foreigner; cf. walnut.]