za.khah describes being made or kept clean, especially in relation to conduct, the heart, and freedom from wrongdoing.

The attested use concerns being or becoming clean: it appears in commands to remove evil, in questions about whether a person can be clean, and in claims or prayers concerning a clean heart, innocent hands, a clean way, or unjust measures.

1. Being or becoming clean in conduct and integrity · dominant

   In Isaiah 1:16, the Hithpael imperative addresses a group within commands to wash, remove evil deeds, and cease doing evil; the APB renders the command sequence, "Wash, be clean, remove evil of your deeds." In Job 15:14 and Job 25:4, Qal imperfect forms occur in questions about whether a human, including one born of a woman, can be clean. Proverbs 20:9 and Psalm 73:13 place Piel perfect forms in first-person claims about a cleansed heart and clean heart with innocent hands, while Micah 6:11 asks whether the speaker can be clean amid wicked balances and deceitful weights.

   Isaiah 1:16Job 15:14Job 25:4Micah 6:11Proverbs 20:9Psalm 73:13

In the Anselm Project Bible: The APB variously presents the relevant clauses with "be clean," "clean," "cleansed," "pure," and "kept... clean." These renderings show the verses' overall presentation rather than a fixed English equivalent in every occurrence.