Quenya 

tanna

adverb. thither

A word for “thither” appearing in the Nieninquë poem of the 1950s (PE16/96), a combination of ta “that” and the allative suffix -nna. Similarly formed ᴹQ. tanna appeared in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/112). ᴹQ. tanna was also used for “thither” in the Koivienéni sentence from the 1930s.

Conceptual Development: In the version of the Nieninqe poem from around 1930, Tolkien used ᴱQ. tande for “thither” (MC/215), with allative suffix -nde that appeared in early 1930s (PE21/52).