Exodus 18:3

and her two sons. One son was named Gershom, for Moses said, 'I have become an alien in a foreign land';

(New International Version)

and her two sons, of whom one was named Gershom, for Moses said, 'I have been a sojourner in a foreign land.'

(New American Standard Bible)

And her two sons; of which the name of the one was Gershom; for he said, I have been an alien in a strange land:

(King James Version)