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 

laire

noun. summer

Qenya [EtyAC/LAYA; PE22/125; PM/134] Group: Eldamo. Published by

laire

noun. poem

Qenya [Ety/GLIR; PE19/037] Group: Eldamo. Published by

lairesse nihare to tarassi, yu unta hrívesse landannar

in the summer I live in [i.e. on] the hills [as a rule], and come down to the plains in the winter

úrien

proper name. Summer

Another name for laire “summer” in drafts of the Lord of the Rings appendices (PM/134). Its initial element seems to be Ûr “Sun”.