" ministerial "

[Adjective]  | "min*is*te*ri*al" | \ ˌmi-nə-ˈstir-ē-əl \

1: of, relating to, or characteristic of a minister or the ministry

2: being or having the characteristics of an act or duty prescribed by law as part of the duties of an administrative office

3: relating to or being an act done after ascertaining the existence of a specified state of facts in obedience to a legal order without exercise of personal judgment or discretion

Origin: 1561 ;

 Borrowed from Middle French & Medieval Latin; Middle French, borrowed from Medieval Latin ministeriālis "serving in an office (manorial or ecclesiastical)," going back to Late Latin, "serving, performing a duty," from Latin ministerium "activity of a servant, {see: |ministry|ministry}" + -ālis {see: |-al:1|-al:1};

[Noun]  | "prime minister" 

1: the chief minister of a ruler or state

2: the official head of a cabinet or ministry; especially : the chief executive of a parliamentary government

Origin: 1655 ;

[Adjective]  | "ministerial"