39 On the seventh day the priest shall return to inspect the house. If the mold has spread on the walls,

Read Leviticus 14:39 Using Other Translations

And the priest shall come again the seventh day, and shall look: and, behold, if the plague be spread in the walls of the house;
And the priest shall come again on the seventh day, and look. If the disease has spread in the walls of the house,
On the seventh day the priest must return for another inspection. If he finds that the mildew on the walls of the house has spread,