Negaim 4:7 - 4:8

בהרת ובה מחיה ופשיון – a bright white spot on the skin (i.e., eventually one of the symptoms of leprosy) like a split Cilician bean and he has been shut in/put in isolation, and at the end of the week, he found in it the quick flesh and spreading and they declared him to be a certified leper.

הלכה המחיה (the quick flesh disappeared – after a week of quarantine)– as for example, that the plague came upon, the bright white spot on the skin is impure because of the spreading.

הלך הפשיון – as for example, that the bright white spot on the skin/בהרת came in and it returned to the size of a Cilician bean.

וכן שער לבן ופשיון – if one of them disappeared, he is impure because of the second.

הלכה וחזרה בסוף השבוע – as for example, that he was shut up/isolated on account of the bright white spot on the skin like the size of a split Cilician bean, and the bright white spot on the skin went away in the middle of the week, but at the end of the week it returned.

הרי היא כמות שהיתה – and they shut him up/isolated him a second time.

לאחר הפטור – that the Kohen saw it (i.e., the bright white spot on the skin) at the end of the week and when it disappeared, he released him, if after that it returned, it would appear at the beginning. ( And this return – that is in its first (i.e., original) place, for if it was in in another place, if so this is another bright spot on the skin.

היתה עזה – like snow when he shut him up/isolated him.

ונעשית כהה – at the end of the first week, as for example, like lime or with a membrane, or that it was like a membrane at the time of his being shut up/put in isolation, and it became strong like snow at the end of the first week.

הרי היא כמות שהיתה – and it requires a second isolation, like “it has remained unchanged”/"עמד בעיניו" (Leviticus 13:5).

ובלבד שלא תתמעט מארבע מראות (on condition that it did not diminish [to a shade less] than the four appearances – if it diminished from the four appearances, he (i.e., the Kohen) releases him immediately and he is pure.

כנסה ופשתה (if it contracted and spread) – where he was shut up/placed in isolation with the bright white spot on the skin like a split Cilician bean, and at the end of he week, it contracted, but after that it spread the place in the place of the contraction but not more. Or that it spread at the end of the week, and afterwards contracted the place of the spreading and not more.

ר' עקיבא מטמא – for it certainly spread.

וחכמים מטהרים – that this is not spreading, but it is as it was. But if it refers to the end of the first week, they shut him up/isolate him a second time. But if it refers to the end of the second week, they release him and he is ritually pure.

ופשתה כחצי גריס – to the eastern side.

והלך מן האום כחצי גריס – to the western side.

תיראה בתחלה (it is inspected anew) – for it is considered like another plague, and it is a new plague and he should be shut up/isolated [for it].

וחכמים מאהרין – that it is not considered spreading unless it adds on the measurement of the plaque that it was at the outset, but this now is none other than like a split Cilician bean, it is considered like the first that remained unchanged and is pure.