Origin: Latin prefix pre-
Presidency has 3 different meanings across 1 category:
the tenure of a president
"things were quiet during the Eisenhower administration"
the office and function of president
"Andrew Jackson expanded the power of the presidency beyond what was customary before his time"
The office or role of president.
"The new policy changes took effect immediately upon her assumption of the presidency."
In plain English: Presidency is the job of being the president and leading a country as its head of state.
"The new president took office last week during her presidency, marking the beginning of a fresh era for the country."
The word presidency comes from Medieval Latin praesidentia. It entered English through the noun president and the suffix -cy, referring to the office or term of holding that position.