The Sindarin name of Weathertop (LotR/185), more literally “Hill of the Wind” (RC/778). It is a combination of amon “hill” and sûl “wind”.
Sindarin
Amon Sûl
place name. Amon Sûl
amon sûl
place name. Weathertop, (lit.) Hill of the Wind
Elements
Word Gloss amon “hill, mountain with steep sides; lump, clump, mass, hill, (isolated) mountain; lump, clump, mass; [G.] steep slope” sûl “wind, [strong] wind, *gust”
topon.