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 

veasse

noun. vigour

A word for “vigour” in The Etymologies of the 1930s, a noun form of vea “adult, manly, vigorous” under the root ᴹ√WEG “(manly) vigour” (Ety/WEG). In later writings, √WEG was glossed “live, be active”, and so derivatives having to do with “vigour” remain plausible (PE17/189).