An untranslated verb in the Early Qenya Grammar of the 1920s (PE14/58), perhaps the equivalent of G. laptha- “to relax, loosen” (GL/52).
Early Quenya
tantya-
verb. to set bouncing
lapta-
verb. ?to relax, loosen
pieksin
noun. brooch
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!
A verb for “set bouncing” appearing in the Early Qenya Grammar of the 1920s, clearly based on primitive ✶tṇt- {“dance” >>} “bounce” (PE14/58).