Ilk. *dol n. “head, *hill”
An Ilkorin noun for “head” attested only as an element in the name Dolmed “Wet Head” (Ety/MIZD, NDOL). It might also appear in Dol Dúghol, assuming that name is Ilkorin. Assuming it functions similarly to its Noldorin equivalent N. dôl, it can probably also be used to refer to a hill.