This is the 7822nd most frequent Russian word.
капо
"Капо" in Russian refers to a capo, a device used on the neck of a stringed instrument to change its pitch.
In this context, 'капо' refers to the musical tool used on a guitar.
Капо на гитаре помогает менять тональность.
The capo on the guitar helps change the key.
Here, 'капо' refers to a hierarchy position within a prisoner camp during historical contexts.
Во время лагеря заключённых он занимал пост капо.
During the prisoner camp, he held the position of kapo.
In this sentence, 'капо' again refers to a device used to change the pitch of stringed instruments like a ukulele.