On this side the river. — Literally, beyond the river Euphrates, as written for the Persian court.
And at such a time. — Rather, and so forth; meaning, “Thy servants, as aforesaid,” alluding to the superscription.
Related Commentaries of Ezra 4:11
Ezra 4:11
11 This is the copy of the letter that they sent unto him, even unto Artaxerxes the king; Thy servants the men on this side the river, and at such a time.