Rashi on II Kings
Something. The ‘א’ is missing,14The word “מְאוּמָה” is written “מוּמָה,” without the ‘א.’ מוּם means a flaw. As a result of this taking, he was stricken with Na’amon’s flaw, that of tzora’as. because this taking was [responsible for his being stricken with] a flaw [=[מום.