§ Nan Gurunír (TI:420) < nan, nand- ’valley’ (Let:230) + lenited Curunír ’wizard’ or ’Saruman’ (’man of craft’), most probably from KUR- ’craft’
This appears as Nan Curunír in The Lord of the Rings, but the second word is here lenited in genitival position according to the rules of Noldorin.