New Zealand (probably a reference to the appearance of mountainous land when seen on the horizon from a canoe after an ocean voyage).
Origin of land-of-the-long-white-cloud
From MaoriAotearoa (“long white cloud”), from ao (“cloud, daytime, world”), tea (“white”), and roa (“long, tall”). Allegedly the first English-language mention was in the February, 1916, New Zealand School Journal (King, 2004).
Words near land-of-the-long-white-cloud in the Dictionary