7983. And the dwelling of the sons of Israel which they dwelt in Egypt. That this signifies the duration of the infestations, is evident from the signification of "dwelling," as being a state of life (see n. 1293, 3384, 3613, 4451, 6051); here a state of infestations, for this is the state of life now treated of, and which is signified by the number "thirty and four hundred years," to which the words have reference.