This is the 7979th most frequent Russian word.
кондратенко
"Кондратенко" is a Russian surname and does not have a standalone meaning in English.
In this sentence, 'Кондратенко' is used as a proper noun, specifically as the surname of a person.
Кондратенко приехал в город вчера.
Kondratenko arrived in the city yesterday.
Here, 'Кондратенко' is referred to as a surname within an educational context.
Мы часто упоминаем фамилию Кондратенко в школьных уроках.
We often mention the surname Kondratenko in school lessons.
In this instance, 'Кондратенко' denotes a historically significant individual by surname.