And if a leprosy break out abroad in the skin, and the leprosy cover all the skin of him that hath the plague from his head even to his foot, wheresoever the priest looketh;

LEVITICUS 13:12KJV
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Leviticus 13:12 (KJV)

What does Leviticus 13:12 mean?

Leviticus 13:12 describes a situation where a skin disease called “leprosy” spreads over a person’s entire body, from head to foot, so that every part the priest examines is affected. The verse is part of instructions for priests on how to identify and judge cases of skin disease among the Israelites.

In this passage, God is giving Moses and Aaron detailed rules for the priests to follow when someone shows signs of a skin disease. The focus here is on what the priest should do if the disease is not just in one spot but has broken out (“break out abroad”) and now covers all the skin of the person. This is part of a larger section about ritual cleanliness and how to protect the community from contagious diseases.

The Hebrew behind Leviticus 13:12

  • “Leprosy” (צָרַעַת, tsara‘at) does not refer only to what we call leprosy today, but to a range of visible skin diseases. The term covers any serious skin condition that could make someone ritually unclean.
  • “Break out abroad” (פָּרַח, parach) means to spread or blossom. Here, it describes the disease spreading widely over the skin, not just remaining in one area.
  • “Cover” (כָּסָה, kasah) means to completely cover or conceal. The verse is emphasizing that the disease is now on every visible part of the skin.
  • “Plague” (נֶגַע, nega‘) refers to a mark, spot, or affliction. It is the general word used throughout this chapter for the skin problem being examined.

Why Leviticus 13:12 matters

  • This verse helps clear up a common misunderstanding: in these ancient laws, a person whose whole body is covered by the disease might actually be declared clean in the next verses, while someone with only partial spots might be unclean. The rules are not always what we would expect.
  • The verse shows how thorough and careful the priest’s examination had to be. Every part of the skin had to be checked, not just a quick look.
  • It connects to the wider passage by showing the seriousness with which the community treated visible illness, not only for health reasons but for ritual and social reasons as well.