louo denotes washing a person, wounds, a body, or oneself in the verses where it occurs.

The occurrences show washing in concrete contexts: wounds are washed, a deceased woman is washed, bodies are described as washed, and a sow is pictured as washing herself; John 13:10 also contrasts having bathed with a further washing of the feet.

1. Washing a person or bodily matter · dominant

   In Acts 16:33, the aorist active form describes the washing of wounds; in Acts 9:37, the aorist active participle occurs in the action done to the woman after her death. Hebrews 10:22 uses a perfect middle participle with bodies described as washed with pure water, while John 13:10 uses a perfect middle participle in the contrast between having bathed and washing the feet.

   Acts 16:33Acts 9:37Hebrews 10:22John 13:10
2. Washing oneself · rare

   In 2 Peter 2:22, the aorist middle participle is used of the sow in the proverb; the APB renders the clause "the sow, after washing herself, returns to wallow in the mire."

   2 Peter 2:22

In the Anselm Project Bible: The APB presents the actions with "washed," "washing," and "washing herself," and in John 13:10 with both "bathed" and "wash the feet." Those renderings indicate the surrounding clauses rather than a fixed English equivalent.