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 

ololla-

verb. *to keep on growing

An untranslated frequentative verb ololla- appeared in the Quenya Verbal System (QVS) of 1948 (PE22/112). Since the verb ᴹQ. ola- meant “grow” in this document (PE22/113), the frequentative probably meant “✱keep on growing”.