Noldorin 

calenhir

place name. *Green River

A river in the early maps of Gondor (TI/312, WR/436), removed by the time The Lord of the Rings was published. It is a compound of calen “green” and -hir, the lenited form of sîr “river”.

Elements

WordGloss
calen“green, (orig.) bright-coloured”
sîr“river”
Noldorin [TI/312; TII/Calenhir; WR/436; WRI/Calenhir] Group: Eldamo. Published by