taur-im-duinath

place name. Forest between the Rivers

The forest between the rivers Sirion and Gelion, translated “Forest between the Rivers” (S/123), a combination of taur “forest”, im “between” and the class-plural of duin “river” (RC/625).

Taur-im-Duinath

noun. forest between rivers

taur (“great wood, forest”) + im (prefix “between”) + duin (“long and large river”) + ath (collective plural suffix)