Making up weapon names

Gurthorn: tree of death

Angloth: iron flower

Ithilgon 

Flame of stone

You mean nargond?

Ithilgon would be moon-stone 

Although ithildin is kind of moon stone, although it technically means starmoon

Dolenar: Hidden Flame

Ornar: Tree-flame

Tbh I think Narin/Naring would be translated Cold Fire instead of Flame of Cold

Narluin blue flame

Anorluin blue sun

Rinimrais: White cold