A noun in the Qenya Lexicon of the 1910s glossed “lump, knob” as a derivative of the early root ᴱ√PULU “swell” (QL/75).
Early Quenya
tupse
noun. lump, knob
pulme
noun. lump, knob
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
Qenya cognate of ᴱN. tuf “lump, knob” from Early Noldorin Word-lists of the 1920s, and so probably of a similar meaning (PE13/154). In later writings, ᴹQ. tupse = “thatch” (Ety/TUP).