Qenya
lussa-
verb. to whisper
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lussa-
verb. to whisper
A verb appearing as ᴹQ. lussa- “to whisper” in The Etymologies of the 1930s based on the root ᴹ√SLUS of the same meaning (Ety/SLUS).
Neo-Quenya: For purposes of Neo-Quenya I would updates this to ᴺQ. hlussa- since initial sl became voiceless hl in Quenya.
Conceptual Development: The Qenya Lexicon of the 1910s had ᴱQ. qisi- “whisper” based on the early root ᴱ√QISI (QL/77).