This is the 8952nd most frequent Polish word.
skrzynkowa
"Box-related" or "pertaining to a box."
The word 'skrzynkowa' is used as an adjective, describing the method of storage as 'box-like' or related to a box.
Skrzynkowa metoda przechowywania jest bardzo praktyczna.
The box-like storage method is very practical.
Here, 'skrzynkowa' functions as an adjective modifying 'przegródce', referring to its shape or connection with a box.
Listy powinny być pozostawione w skrzynkowej przegródce.
Letters should be left in the box-shaped compartment.
In this context, 'skrzynkowa' describes 'telewizję', indicating a television system provided through a box or cable.