River Agathurush
Pronunciation: aa gaa thoor' oosh
Related Terms: River Gwathló-Mitheithel
According to Unfinished Tales, Agathurush was the Adûnaic (Númenórean) translation of the Sindarin River Gwathló-Mitheithel (Greyflood), which was the river by the junction of the River Mitheithel and the River Glanduin.
Encyclopedia entry originally written by ~Venora~