Noldorin
dath
noun. hole, pit; steep fall, abyss
dath
noun. hole, pit, steep fall, abyss
dant-
verb. to fall
daudh
noun. pit
gas
noun. hole, gap
ters
noun. (fine pierced) hole
tess
noun. (fine pierced) hole
torech
noun. hole, excavation, lair
Written dant- in the Etymologies