llyn

Noun

 * 1) An upland lake in Wales.
 * 2) * 1884, Mountford John B. Baddeley, C. S. Ward, North Wales (part 1, page xi)
 * To enumerate all the llyns of Wales would take pages, but except Bala, there is scarcely one freshwater lake which is a main factor in any landscape of which it forms part.

Etymology
From, from , from.

Noun

 * 1) lake