This is the 3329th most frequent Russian word.
периодом
The Russian word "периодом" means "period" (a span or interval of time) in English, in its instrumental case form.
Here, 'периодом' is used as an instrumental case form of 'период', indicating a significant era or time span.
Мы изучаем эпоху Возрождения как важный период в истории искусства.
We study the Renaissance era as an important period in the history of art.
Here, 'периодом' is describing a specific interval characterized by calmness, using the instrumental case to signify a state or condition during that time.
В это время наступил периодом затишья перед бурей.
At this time, there came a period of calm before the storm.
In this sentence, 'периодом' is employed in the instrumental case to describe a phase marked by lively conversation.