This is the 9149th most frequent Russian word.
седов
"Седов" is a Russian surname derived from "седой," meaning "gray-haired."
Here, 'Sedov' is used as a proper noun, referring to the name of a specific individual, Georgy Sedov, a renowned Russian explorer.
Седов был знаменитым мореплавателем.
Sedov was a famous navigator.
In this instance, the word 'седыми' is derived from 'седой,' describing gray hair.
Его волосы стали седыми со временем.
His hair turned gray over time.
Here, 'седой' is metaphorically used to describe the gray color of the silhouette of the mountains.