A noun in the Qenya Lexicon of the 1910s glossed “much roaring” (QL/53), a combination of ᴱQ. li(n)- “many” and ᴱQ. palasse “splashing”, so likely referring to the roar of waves on the beach.
Early Quenya
lasse
noun. leaf; petal
limpalassea
adjective. much roaring
limpalasse
noun. much roaring
n·alalmino hyá lanta lasse
*from the elm-tree here a leaf falls
limpa(pa)lasse(a)
adjective. much roaring
anqa(r)
noun. ear
qan
noun. ear
An adjectival form of ᴱQ. limpalasse “much roaring” in the Qenya Lexicon of the 1910s given as limpa(pa)lasse(a) (QL/53), also mentioned (unglossed) in the Poetic and Mythological Words of Eldarissa as limpalasse(a) (PME/53).