פירוש על מגילה 32:10

The ten sons of Haman, and the ten: The mention of their names, and the word adjacent after them (eseret, the ten). Meaning, their breath failed (the moment of their death was all) together.

Must say them in one breath: It appears that this is only from the outset (lekhatchilah). But after the fact (bediavad, if one did not say them in one breath), he has fulfilled [his obligation].

Zekifa: Forche in [old French]. On one side [of it], one below the other.