Premiership (noun)

1. The office or position of being the head of government in a country or state, specifically in a parliamentary system.
2. The term of office of the person holding the position of the head of government.

Origin:

From the word "premier" meaning "first" or "primary" and the noun suffix "-ship" meaning "the state or condition of".

Examples:

1. He had a successful premiership and his policies were well received by the public.
2. The premiership is a position of great responsibility and power.
3. The premiership has changed hands multiple times over the past few years.
4. He was considered a strong candidate for the premiership due to his political experience.
5. The premiership is often a stepping stone to higher office such as the presidency.