fe'a VUhU3 cmavo

binary mathematical operator: nth root of; inverse power [a to the 1/b power].

In notes:

enfa
x1 abstractly pertains to an exponential/root/logarithmic relationship between the elements of x2 (ordered pair) which are related via concrete relationship x3.
fau'e (exp!)
iterated function left-composition with self: f∘f∘...∘f, n times.
seltenfa
x1 is an x3rd root of x2.
toltenfa
x1 is the exponential root of x2 with exponent x3 // x1 is the x3th root of x2 // x1 = \sqrt[x3]x