S. Helevorn loc. “Black Glass”
The lake where the people of Caranthir dwelled (S/112), a combination of heledh “glass” and the lenited form vorn of morn “black” (PE17/37), with the dh lost because [ð] vanished before nasals in Sindarin.
Conceptual Development: In Silmarillion drafts from the 1930s, this name first appeared as N. Elivorn “Lake-Black” (LR/405), revised to N. Helevorn (LR/269). The latter name also appeared in The Etymologies with the translations “Black Glass” and nearly the same derivation as given above, only with N. hele “glass” instead of S. heledh (Ety/KHEL).
References ✧ PE17/37; RS/466; SA/khelek; SI; WJI
|heledh||“glass”||✧ PE17/37 (heleð); RS/466 (heleð); SA/khelek|
|morn||“black, dark; night”||soft-mutation||✧ PE17/37 (vorn)|
|Kh. kheled > Hele(ð)vorn||[kʰeledmorna] > [xeledmorna] > [xeleðmorna] > [xeleðmorn] > [heleðmorn] > [helemorn] > [helevorn]||✧ PE17/37|
N. Helevorn loc. “Black Glass”
References ✧ Ety/KHYEL(ES); LR/265; LRI/Elivorn, Helevorn; RSI
|ᴹ√MOR||“*black, dark”||✧ Ety/KHYEL(ES)|
N. Elivorn loc. “Lake-Black”
Earlier name for lake Helevorn glossed “Lake-Black” (LR/269, 405), apparently a combination of an earlier form of oel “lake” and with the lenited form of morn “black” (EtyAC/MOR).
See S. Helevorn for further discussion.
References ✧ EtyAC/MOR; LR/269, 405; LRI