an(d) (“long”) + faug (“thirst”) + lîr (“row, range #of teeth”)
Sindarin
anfauglir
masculine name. Jaws of Thirst
Elements
Word Gloss anc “jaw, row of teeth” faug “gape, [N.] thirsty, [S.] gape” ?
Anfauglir
noun. long-thirsty-jaws (Carcharoth)
Another name for Carcharoth, translated “Jaws of Thirst” (S/180). The name is a combination of anc “jaw” and faug “thirsty” (SA/faug), though the function of the final -lir is unclear.
Conceptual Development: In Silmarillion drafts from the 1930s, the name appeared as N. Anfauglin with the same translation (SM/115).