By the way if you mean Chaturanga , the Gaja pieces in Chaturanga doesn't move same like elephant in Xiangqi as well.
There were probably many rules. One of the rule is 2 squares diagonally.
The Gaja pieces in Chaturanga doesn't move same like elephant in Xiangqi as well, elephant pieces in Xiangqi can't jump over pieces like in Chaturanga , plus you cant cross the river to the other side which happens for Gaja in Chaturanga
correct, its called 赛象眼
even janggi and shogi
those are "descendants" of xiangqi