The Evolution and The End of the word -

Fundamental :
.
+ Fun..............Life is a fun.

( an introductory remark)
.
- Fund............Life is not a fun

without having any fund.
.
x Funda..........

The Funda of Life is to have fun with fund.
.
/ Mental.(full stop)
.
(i.e. the END of all the FUN

for which life begins

when MENTAL takes place above all).