GWERN (Cym.-Cel.),
the alder-tree, also a swamp; e.g. Coed-gwern (alder-tree wood).
GWY, or WY (Cym.-Cel.),
water; e.g. the Rivers Wye, the Elwy (gliding water); Llugwy (clear water); Mynewy (small water); Leveny (smooth water); Garway (rough water); Conway (the chief or head water, cyn); Gwydir, i.e. Gwy-tir (water land), the ancient name of Glastonbury; Gwynedd (water glen), an ancient region in North Wales.
GWYRDD (Welsh),
green, verdant; e.g. Gwyrdd-y-coed (the winter green).
H
HAAR (Teut.),
an eminence; e.g. Haarlem (the eminence on the clayey soil, leem).
HAFEN, HAVN (Teut. and Scand.),
HOFEN, HAMM,
HAVRE (Fr.),