A word appearing as ᴱQ. terendl “lathe” in the Qenya Lexicon and Poetic and Mythological Words of Eldarissa of the 1910s based on the early root ᴱ√TEŘE “pierce” and similar in form to ᴱQ. teren “lissom, lithe” from the same root (QL/91; PME/91). Tolkien marked both these Early Qenya words with a “?”.

Neo-Quenya: The root √TER “pierce” appeared in Tolkien’s later writings along with a derived adjective [ᴹQ.] teren(e) “slender”, so I think this early “lathe” word can be salvaged For purposes of Neo-Quenya. I would update it to ᴺQ. terendel “lathe” to be consistent with the later Quenya rules for the syllabification of l.