This is the 15470th most frequent Russian word.
председательство
"Председательство" means "chairmanship" or "presidency" (the act or position of presiding over a meeting, organization, or institution).
Here, 'председательство' is used to denote the role or position of leading an organization or group.
Председательство нашей страны в международной организации продлилось два года.
Our country's chairmanship in the international organization lasted for two years.
In this sentence, 'председательство' refers to the period during which the individual was in the position of leading or presiding.
Во время председательства он осуществлял значительные реформы.
During his chairmanship, he implemented significant reforms.
The word 'председательство' is used here to describe the act of presiding over or chairing a specific event or gathering.