An old (Númenórean?) name for the region of Arnor (PE17/28), a compound of the prefixal form for- of forn “north” and lonnas “harbourage”.
Sindarin
Forlonnas
' North-harbourage'
forlonnas
place name. North-harbourage
Arthor na Forlonnas
'Realm of the North-harbourage'
topon. 'Realm of the North-harbourage', another name of Arnor that soon fell out of general colloquial use. Shorter form Forlonnas. Q. Turmen Follondiéva. >> Arnor, Arthor na Challonas, Forlonnas
arthor na forlonnas
place name. Realm of the North-harbourage
topon. '(Realm of the) North-harbourage', another name of Arnor that soon fell out of general colloquial use. Shorter form of Arthor naForlonnas. Q. Forolondie, Follondie. >> Arnor, Arthor na Forlonnas