Rasta

Quenya numbers
minë = one atta = two neldë = three canta = four lempë = five enquë = six otso = seven tolto = eight nertë = nine cainen = ten minquë = eleven yunquë = twelve haran = one hundred

rasta is the Quenya word for the number twelve.

". . .For the number 12, only the stem RÁSAT is given in Tolkien's papers, but there cannot be much doubt that this would yield *rasta in Quenya (Primitive Quendian *rasatâ}. . ."

― Ardalambion, Quenya numbers