Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

nessaron

proper name. *Day of the Younger Gods

Another name for the 5th day of the Valian 5-day week, the genitive plural of nessa “young,” collectively referring to the younger gods Osse, Orome and Tulkas (Ety/LEP).