Save Gender Masculine & Feminine Usage Japanese Scripts 蕗繁, 蕗伴, 芦判, 蕗判, 呂伴, 呂繁, 路繁, 露繁, 絽半, 絽繁, etc.(Japanese Kanji) Pronounced Pron. ṘO-HAHN [key] Meaning & History From Japanese 蕗 (ro) meaning "butterbur" combined with 繁 (han) meaning "rich, prosperous". Other kanji combinations are possible. Usage of this name is, most likely, influenced by the name Rohan 2 or Rowan.