be (make) clean, be pure(-r)

Strong’s Dictionary of Hebrew Words:

Number:
2141 (find all occurrences in KJV Bible)
Transliteration:
zakak
Phonic:
zaw-kak’
Meaning:
a primitive root (compare 2135); to be transparent or clean (phys. or morally)
KJV Usage:
be (make) clean, be pure(-r)