To go over from one side to another. Also the mark made where two lines meet.
Old English cros, probably borrowed via Old Irish cros, from Latin crux (a cross, stake for execution); to go from one side of a thing to the other, and by the same root, the mark made where two lines meet.
To go over from one side to another, and the mark made at the exact point two lines meet. Passage and intersection share one word.