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.
Quenya
formenos
place name. Northern Fortress
Formen
north
formen
noun. north, north, [ᴹQ.] right-hand [direction]
Tormen
north
[Tormen] noun "north" (MEN; replaced by Formen, q.v.)
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)).