The History of Middle-earth, The Lays of Beleriand, Sindarin, JRR Tolkien

Ir Ithil ammen Eruchín
menel-vîr síla díriël
si loth a galadh lasto dîn!
A Hîr Annûn gilthoniël,
le linnon im Tinúviël!

When the Moon, for us, the Children of God,
heaven-jewel shines having watched for us,
here flower and tree listen in silence,
oh Lady of the West, to thee I sing, I, Tinúviel