Note 14 — Chapter I · Undine’s Kymric Sisters (continued 2)

In the Snowdon district of Gwyneđ the call is drwi, drwi, drŵ-i bach, while in North Cardiganshire it is trwi, trwi, trw-e fach, also pronounced sometimes with a surd r, produced by making the breath cause both lips to vibrate—tR′wi, tR′wi, which can hardly be distinguished from pR′wi, pR′wi. For the more forcibly the lips are vibrated the more difficult it becomes to start by closing them to pronounce p: so the tendency with R′ is to make the preceding consonant into some kind of a t. ↑