What I was told, when I asked about this, was that "midori" existed as a Japanese word but was not in common usage. That is what Mizutani-san from JAL Academy t

What I was told, when I asked about this, was that "midori" existed as a Japanese word but was not in common usage. That is what Mizutani-san from JAL Academy told me back in 2009 anyway. EDIT: I apologize for the vague sourcing!