The root forms √LON and √SLON appeared in a list of roots for sound words from 1959-60 as a general root for “noise”; it had derivatives Q. hlóna/S. lhôn “a noise” and Q. hlonite “phonetic” (PE17/138). Similar forms appeared in the Quendi and Eldar essay written in the same period (WJ/395; VT39/9) and in a torn half-sheet associated with that document, the primitive form ✱slōn was glossed “sound” (VT48/29). It might be a later iteration of the unglossed root ᴱ√LOŘO [LOÐO] in the Qenya Lexicon of the 1910s with derivatives ᴱQ. londa- “to boom, bang” and ᴱQ. lon(de) “loud noise” (QL/56).
The root forms √LON and √SLON appeared in a list of roots for sound words from 1959-60 as a general root for “noise”; it had derivatives Q. hlóna/S. lhôn “a noise” and Q. hlonite “phonetic” (PE17/138). Similar forms appeared in the Quendi and Eldar essay written in the same period (WJ/395; VT39/9) and in a torn half-sheet associated with that document, the primitive form ✱slōn was glossed “sound” (VT48/29). It might be a later iteration of the unglossed root ᴱ√LOŘO [LOÐO] in the Qenya Lexicon of the 1910s with derivatives ᴱQ. londa- “to boom, bang” and ᴱQ. lon(de) “loud noise” (QL/56).