IPA: /prɪˈzɪdiəl/
KK: /prɪˈzɪdiəl/
Relating to a military garrison or the duties associated with it.
The presidial forces were stationed at the border to ensure security.
Presidial → It is formed from "praesidens" (meaning sitting before or presiding) and the suffix "-ial" (meaning relating to). The word "presidial" refers to something that is related to or characteristic of a president or presiding officer.
Think of someone who is 'sitting before' ('praesidens') in a position of authority — that's why 'presidial' relates to a president or presiding role.