This is the 8275th most frequent Russian word.
махачев
"Махачев" is a Russian surname and does not have a lexical meaning in English.
Proper noun, used as a surname for a person in the sentence.
Вчера я смотрел бой с Магомедом Махачевым.
Yesterday, I watched a match with Magomed Makhachev.
Proper noun, referring to a person presumably named Makhachev in the context.
Махачев тренировался усиленно для соревнования.
Makhachev trained intensely for the competition.
Proper noun, indicating recognition and achievements of a person with this name.