The ending -
夫 (-fū) is the standard Chinese transliteration of Slavic surnames ending in -ov / -ev / -off (e.g.
切尔诺夫 Chernov,
戈尔巴乔夫 Gorbachev). Seeing
夫 at the end of a multi-syllable name is a strong signal that the original is Russian, Ukrainian, Bulgarian, or another Slavic language.