Sindarin 

gwathló

place name. Greyflood

The Sindarin name of the river “Greyflood” translated on the map of The Lord of the Rings (LotR/1082). This name is a combination of gwath “shadow” and (h)lô “flood” (UT/263).

Conceptual Development: This name first appeared as N. Gwathlo with a short o on the draft maps of the Lord of the Rings from the 1940s (TI/304, 312).

Sindarin [LotRI/Greyflood; LotRI/Gwathló; PE17/136; PE17/137; PMI/Gwathló; SA/gwath; UT/261; UT/263; UTI/Agathurush; UTI/Gwathló; VT42/09; VT48/27; VT48/28] Group: Eldamo. Published by