I'll go back to my origins AGAIN: I originated on a tiny white cliff. (FYI, I'm a cormorant, coming home to the ol' guano colony to mate)
(not sure that that helps you remember the actual kanji, but I went to the trouble of making a whole back-story for the cormorant, and I figure I should get credit for it (he overcame many obstacles))
a high plain. (not useful, unless you are a High Plains Drifter, and concoct a Black and Tan in your brandy Snifter)
origin or cause of something
the A-bomb (a contraction of 原子爆弾 (げんしばくだん))
a person or animal native to the area. Indigenous.