18:50Hanes yr Iaith Mewn 50 GairBrethynBBC Radio Cymru Duration: 5 o funudau Thu 3rd Aug 2017, 18:50 on BBC Radio CymruAvailable for over a yearGwrando nawrIfor ap Glyn yn edrych ar darddiad a datblygiad y gair brethyn. Ifor ap Glyn explores brethyn, the Welsh word for cloth.GenresFactualArts, Culture & the MediaSeriesHanes yr Iaith Mewn 50 Gair Source: BBC Online