the swamp, bog
Foirm chalctha den logthuiseal nó den tuiseal tabharthach de An Ghreallach. Tá foirm ghinideach an logainm caomhnaithe sa lámhscríbhinn Leabhar Cheanannais: erchennech Grellege, aircinnech Grellige [.i. airchinneach] (i gcairteacha a bhaineann leis an 11ú agus an 12ú haois, in eagar ag Mac Niocaill, Notitiæ as Leabhar Cheanannais, 1961); Girley, Grilly atá i gcáin phápach thosach an 14ú haois; ‘It is called by the Irish by the more correct name Greille’ Ainmleabhar, s.v. Girley (1836). Féach grellach ‘swamp, bog, mire’, A Dictionary of the Irish Language