Arossiach
From Tolkien Gateway
Arossiach (S. 'Aros-ford', 'Ford of Aros'; iach = ford) was the ford on the upper reaches of the River Aros, where the long and perilous road through Nan Dungortheb crossed eastward into the lands of West Beleriand.
Arossiach (S. 'Aros-ford', 'Ford of Aros'; iach = ford) was the ford on the upper reaches of the River Aros, where the long and perilous road through Nan Dungortheb crossed eastward into the lands of West Beleriand.