A noun appearing as ᴱQ. tumpo “shed, barn” in the Qenya Lexicon of the 1910s, derived from either ᴱ√TṂPṂ or ᴱ√TUPU (QL/93, 95).
Neo-Quenya: Since √TUP “cover” survived in Tolkien’s later writings, I think this word can be salvaged as ᴺQ. tumpo “shed, barn” referring to an external, non-residential covered building, though it does conflict with [ᴹQ.] tumpo “hump, lump”.
A word in the Qenya Lexicon and Poetic and Mythological Words of Eldarissa of the 1910s glossed “trumpet, large horn” (QL/95) or “horn, trump” (PME/95), based on the early root ᴱ√TUMU “swell (with idea of hollowness)” (QL/95). Tolkien marked the gloss of the root with a “?”.