A neologism for “wash” coined by Gilruin posted on 2024-10-10 in the Vinyë Lambengolmor Discord Server (VLDS), based on √SWAL of the same meaning. Gilruin originally suggested hwal-, but I prefer whal- as more consistent with Tolkien’s orthography in the 1950s and 60s.
Sindarin
Amon Sû
noun. hill of the wind
sû
noun. noise of wind
whal-
verb. to wash
sov-
verb. to wash clean, bathe
amon (“hill, steep-sided mount”), sûl (“wind”)