Strong’s Hebrew
H1253 — bor
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
בֹּר
bor — pronounced bore
the same as 1252; vegetable lye (from its cleansing); used as a soap for washing, or a flux for metals:--X never so, purely. see H01252
2 occurrences in the KJV.
Job 9:30
If I wash myself with snow water, and make my hands never so clean;
Isaiah 1:25
And I will turn my hand upon thee, and purely purge away thy dross, and take away all thy tin: