A root in the Qenya Lexicon of the 1910s whose derivatives all began with kanu- and had to do with metallic lead (QL/44). The root √KAN had various other meanings in Tolkien’s later writing, but I think it is possible to theorize the existence of a Neo-Eldarin root ᴺ√KANU “lead (metal)” in order to retain these early words.
root. *lead (metal)
- Eq. kanu “lead” ✧ LT1A/Tilkal; QL/044
- KANA¹ ✧ QL/044