What are the cordinates of the origin?why do you think mathmaticians still use the name origin?

the co-ordinates are (0,0)





and I don't know why they call it that

What are the cordinates of the origin?why do you think mathmaticians still use the name origin?
(0) for a simple number line;


(0,0) for a 2-dimensional (x,y) graph;


(0,0,0) for a 3-D (x,y,z) graph, etc.