tum

/tum/ 8S6
noun
a deep valley surrounded on all sides
plural tym
Attested in writing
noun geography

Etymology

Root: √TUB "to fall low, go down (below normal ground level), (esp.) to go down (sink, dive) into water"
Primitive Eldarin: ✶tumbu
tumbu › tumb › tumm › tum View phonetic development in Quettamorphosis

Cognates

quenya tumbo

References

View on Eldamo

Sources: NM/351, 363, SA/tum