ka.vas denotes washing garments or materials, and in cleansing appeals it is applied to the heart and sin.

The verb most often describes washing garments as part of prescribed responses to impurity or preparation for cleanness. It also concerns washing affected garments, skins, and other materials; in appeals concerning wrongdoing it is directed toward the heart or set beside sins and iniquities, while participial forms identify a washer or fuller in place descriptions and comparison.

1. Washing garments for cleanness · dominant

   The Piel forms repeatedly name washing clothes or garments after contact with carcasses, bodily discharges, or ritual materials. In Leviticus 15:5 the APB renders the clause "shall wash his garments and bathe in water and be unclean until evening"; Exodus 19:10 places the same action in preparation as the people are consecrated.

   Leviticus 15:5Leviticus 11:25Leviticus 14:8Leviticus 16:26Numbers 19:21Exodus 19:10
2. Washing affected cloth, skin, or articles · occasional

   The verb is used of an item containing a plague: Leviticus 13:54 has the priest command that the affected item be washed, and Leviticus 13:58 returns to a garment, warp, mixture, or skin article that has been washed and is then to be washed again. Leviticus 15:17 likewise concerns every garment and skin bearing an emission.

   Leviticus 13:54Leviticus 13:55Leviticus 13:58Leviticus 15:17
3. Cleansing language for heart and wrongdoing · occasional

   Jeremiah 4:14 directs the imperative to Jerusalem's heart and links it with being saved and with evil schemes within. Jeremiah 2:22 sets washing with lye and much soap beside iniquity that remains stained, while Psalm 51:4 and Psalm 51:9 place Piel requests in a confession concerned with sin and iniquities.

   Jeremiah 4:14Jeremiah 2:22Psalm 51:4Psalm 51:9
4. A washer or fuller in a location or comparison · rare

   Qal active participles occur in the place-name-like expression "the Washer's field" in Isaiah 7:3, Isaiah 36:2, and 2 Kings 18:17. Malachi 3:2 uses a Piel active participle in the APB comparison "like the lye of fullers," identifying people associated with the washing activity.

   Isaiah 7:3Isaiah 36:22 Kings 18:17Malachi 3:2

In the Anselm Project Bible: Across the ritual and preparation passages, the APB commonly renders the relevant clauses with "wash his garments," "wash his clothes," or related wording for an affected item. It also presents a Washer's Field and "fullers" in participial contexts; The exact contribution is less explicit in Psalm 51:4 and Psalm 51:9.