A noun glossed “crest, ridge” appearing in various notes from the late 1950s and early 60s as a derivatives of √KWIN “crest, salient or top edge”, with variants quín and quíne (PE17/24, 173).
Quenya
quín
crest, ridge
quín(ë)
noun. crest, ridge
quínë
noun. squeaking, *squeak
quínëa
adjective. squeaking
quín, quínë
crest, ridge
quín, quínë noun "crest, ridge" (PE17:24. 173)
quín, quínë noun "crest, ridge" (PE17:24)