From Japanese 月 (
ru) meaning "moon", 流 (
ru) meaning "current, a sink, flow, forfeit", 琉 (
ru) meaning "precious stone, gem, lapis lazuli", 瑠 (
ru) meaning "lapis lazuli", or 留 (
ru) meaning "detain, fasten, halt, stop" combined with 々, a phonetic character indicting a duplication of the beginning kanji. Other kanji combinations are possible.
Usage of this name is most likely influenced by the name
Lulu 1 or
Loulou.