A verb appearing as G. loctha- “curl (tr.), bend, wind, twine, tie knot, tangle” in the Gnomish Lexicon of the 1910s (GL/54), clearly based on the early root ᴱ√LOKO “twine, twist, curl” (QL/55).
Neo-Sindarin: Since √LOK “bend, loop” survived in Tolkien’s later writing, I would retain this word but update it to ᴺS. loetha- “to curl, bend, wind, twine” to better fit Sindarin phonology, dropping the meanings “tie knot, tangle” for which I would use [N.] nod- “tie” and [G.] canga- “tangle”.
A noun appearing as G. loctha “a twist, tendril, spiral, coil” in the Gnomish Lexicon of the 1910s (GL/54), clearly based on the early root ᴱ√LOKO “twine, twist, curl” (QL/55).
Neo-Sindarin: Since √LOK “bend, loop” survived in Tolkien’s later writing, I would retain this word but update it to ᴺS. loeth “twist, tendril, spiral, coil” to better fit Sindarin phonology.