fe'a VUhU3 cmavo

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

On affix form:

fenra
x1 is a crack/fissure/pass/cleft/ravine/chasm/[defect/flaw] [shape/form] in x2.

In notes:

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
fau'e (exp!)
iterated function left-composition with self: f∘f∘...∘f, n times.
enfa
x1 abstractly pertains to an exponential/root/logarithmic relationship between the elements of x2 (ordered pair) which are related via concrete relationship x3.