Qenya
talta
noun. incline
talta
adjective. sloping, tilted, leaning, inclined
talta-
verb. to slip (down), fall, slide down, slope
tál
noun. foot; bottom
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
A noun in The Etymologies of the 1930s glossed “an incline” derived from the root ᴹ√TALAT “to slope, lean, tip” (Ety/TALÁT).