Prophets 
Bukhari :: Book 4 :: Volume 55 :: Hadith 614
Narrated Abu Huraira:
The Prophet said, "Al-Khadir was named so because he sat over a barren white land, it turned green with plantation after (his sitting over it."
Prophets
Bukhari :: Book 4 :: Volume 55 :: Hadith 614
Narrated Abu Huraira:
The Prophet said, "Al-Khadir was named so because he sat over a barren white land, it turned green with plantation after (his sitting over it."