H2136. zaku
זָכוּ (K§ 61, 4) noun feminine purity, innocence (compare Biblical Hebrew זָכָה, also דְּכָא ᵑ7, Syriac be clean (Arabic is be bright (of fire), acute (of mind), etc.), or Arabic . be pure, good, זְכָא ᵑ7, Syriac be pure, innocent; are these forms with ז secondary? or ancient || ?); — absolute ׳ז [Dan 6:13] innocence in God's sight.