'Other's' in the Bible

Come, let us go down and confuse their language there, so that they will not understand {each other's language}."

And Moses went out to meet his father-in-law, and he bowed, and he kissed him, and {they each asked about the other's welfare}, and they came into the tent.

And his sons used to go and hold a feast {at each other's house} on his day, and they would send, and they would invite their three sisters to eat and to drink with them.