פירוש על נחמיה 2:1

of...Artaxerxes That was Darius, and because of his kingship he was called this.

wine before him They brought wine before the king in the court.

and I carried the wine And I carried the cup of wine and gave it to the king, and so is the custom, that the one who brings wine into the king’s court does not carry it and give it to the king, but the chief butler receives it from the hand of the one who brings it, and carries it and gives it to the king.