Quenya 

formenos

place name. Northern Fortress

Stronghold of Fëanor in the north of Valinor (S/71). It is a compound of formen “north” and the suffixal form -os of osto “city, fortress” (SA/formen, os(t)).

Quenya [LT1I/Formenos; MRI/Formenos; PMI/Formenos; SA/formen; SA/os(t); SI/Formenos; SMI/Formenos] Group: Eldamo. Published by

Formen

north

Formen noun "north" (SA:men), also name of tengwa #10 (Appendix E, PHOR, MEN; replacing the rejected form Tormen). In Formenos, place-name "Northern Fortress" (SA:formen). Allative formenna, VT49:26.

formen

noun. north, north, [ᴹQ.] right-hand [direction]

Quenya [LotR/1123; PE17/018; PE17/028; PE17/125; SA/formen; SA/men; UT/165; VT49/26] Group: Eldamo. Published by

Tormen

north

[Tormen] noun "north" (MEN; replaced by Formen, q.v.)