פירוש על עזרא 4:5

And they would hire Heb. וְסֹכְרִים. This is written with a “sammech,” but its meaning is as though it was written with a “sin,” [meaning] that they would hire advisors to disrupt the work.

all the days of the reign of Cyrus and the reign of Ahasuerus, who reigned after Cyrus, until the second year of Darius, who reigned after Ahasuerus, the work was stopped.