The parasynthetic word formation process involves adding both a prefix and a suffix to a base word. In the context of the given options:
- The word "sietemesino" is an example of a parasynthetic word as it includes the prefix "siete" and the suffix "-ino" added to the base word "mes."
- The other words provided do not follow the parasynthetic word formation pattern.
Therefore, option (e) "sietemesino" is the parasynthetic word among the choices given.