The full Sindarin name of Tarlang’s Neck, a combination of achad “neck, rock ridge” and the name Tarlang (RC/537, PE17/92).
Sindarin
Achad Tarlang
place name. The long narrow 'col' or passage over the long spur of the mountains that separated Lamedon from the plain of Erech
achad tarlang
place name. Tarlang’s Neck
Elements
Word Gloss achad “rock ridge, neck (geographically)” Tarlang “Stiff Neck; Stiff/Tough Passage”
topon. The long narrow 'col' or passage over the long spur of the mountains that separated Lamedon from the plain of Erech. It is not certain whether this was named after some ancient man with the Sindarin name Tarlang ('stiff-neck', sc. 'proud') or was due to the obsolescence of Tarlang 'the stiff, tough passage' to which S. ached had been prefixed in explanation, so that Achad Tarlang 'the crossing called Tarlang' was interpreted as 'Tarlang's Neck'. The neck was not the name of the passage but of the lower, narrower ridge (crossed by the road) between the main mountains, and the mountainous region at southern end of the spur. Fachad, lang