Strong’s H1253

בֹּר

bor · 2 Old Testament occurrences

vegetable lye (from its cleansing); used as a soap forwashing, or a flux formetals

Strong’s Hebrew, public domain

King James renderings: [idiom] never so, purely.

Every Old Testament occurrence

Job 9:30If I wash myself with snow water, and make my hands never so clean;
Isaiah 1:25And I will turn my hand upon thee, and purely purge away thy dross, and take away all thy tin: