si'i VUhU4 cmavo

trinary mathematical operator: [sigma summation of a using variable b over range c].

On affix form:

sicni
x1 is a coin/token/is specie issued by x2 having value x3 of composition including x4.

In notes:

grisumji
x1 is the sum (combined addition result) of x2 (plurality of the same type as x1)
se'au (exp!)
mathematical quinary operator; big operator: left sequence notation/converter - operator a, sequence b defined as a function on index/argument/variable/parameter c, in set d, under ordering e
simsumji
x1 is the sum of all of x2 added together
snisimsumji
x1 is the sigma summation of expression x2 with variable x3 over domain x4.