Lord of the Rings: The Fellowship of the Ring (2001) - Arwen Rescues Frodo

The phrase was composed by David Salo, and said by Liv Tyler as Arwen in the Lord of the Rings: The Fellowship of the Ring from 2001.

Elvish...
Nîn o Chithaeglir
  
lasto beth dhaer;
   ⸱
Rimmo nîn Bruinen
  
dan in Ulaer
  
Translation:

Waters of the Misty Mountains,
listen to the great word,
flow waters of Loudwater,
against the Ringwraiths.🦄