Quenya 

atyenárë

noun. anniversary

Elements

WordGloss
at(a)-“double, second time, double, [repeat a] second time; [ᴱQ.] bi-, twi-; [ᴹQ.] back, again, re-”
yén“Elvish long year (144 solar years)”
“day (period from sunset to sunset)”
Quenya Group: Eldamo - neologism/reconstructions. Published by