Save Type Surname Usage Japanese Scripts 黒須(Japanese Kanji) くろす(Japanese Hiragana) Pronounced Pron. /kɯᵝ.ɾo̞.sɨᵝ/ [key·simplify] Other Forms FormsKurozu Meaning & History From Japanese 黒 (kuro) meaning "black" and 須 (su) meaning "mandatory, necessary".