IPA: /rɪˈstrɪkʃənɪzəm/
KK: /rɪˈstrɪkʃənɪzəm/
A belief or policy that supports limiting or controlling certain activities, such as immigration or trade.
The government adopted a policy of restrictionism to control the flow of immigrants into the country.
Restrictionism → It is formed from "restrict" (from Latin "restringere", meaning to bind back) and "-ism" (a suffix used to denote a practice or philosophy). The word refers to the practice or philosophy of imposing limits or constraints.
Think of 'binding back' ('restringere') to remember that 'restrictionism' means a philosophy of imposing limits.