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 

lemba

adjective. left behind

An adjective in The Etymologies of the 1930s glossed “left behind” derived from ᴹ✶lebnā under the root ᴹ√LEB “stay, stick, adhere, remain, tarry” (Ety/LEB).