And did obeisance - וישתחו vaiyishtachu, he bowed himself down, (See Clarke's note on Genesis 17:3, and See Clarke's note on Exodus 4:31;); this was the general token of respect. And kissed him; the token of friendship. And they asked each other of their welfare; literally, and they inquired, each man of his neighbor, concerning peace or prosperity; the proof of affectionate intercourse. These three things constitute good breeding and politeness, accompanied with sincerity.
And they came into the tent - Some think that the tabernacle is meant, which it is likely had been erected before this time; see Clarke's note on Exodus 18:5. Moses might have thought proper to take his relative first to the house of God, before he brought him to his own tent.
Asked each other of their welfare - Addressed each other with the customary salutation, “Peace be unto you.”