Strong's Definition
a primitive root (compare 2135); to be transparent or clean (phys. or morally)
KJV Usage: be (make) clean, be pure(-r)
STEPBible — Tyndale Abridged Hebrew Lexicon
זָכַךְ (za.khakh) — be clean. 1) to be pure, be bright, be clean, be bright, clean 1a) (Qal) 1a1) to be bright, be shining 1a2) to be clean, be pure 1b) (Hiphil) to cleanse, make cleanse, make clean
UBS Dictionary of Biblical Hebrew
verb · זַךְ · זְכֹוכִית
Pure | verb qal
to be clean, to be pure = state in which an object is without any outward form of physical contamination
Innocent | verb qal
pure literally: to be clean; hence: = state in which people are considered to be without any moral contamination and therefore trustworthy
Pure | verb hif | ≈ רחץ
Collocation: זכה כַּפִַּים
to cleanse = causative action by which people remove all physical contamination from their hands, whether with the help of soap or not; ≈ used metaphorically to denote a change of behavior for the good
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[זָכַךְ] vb. be bright, clean, pure Qal be bright, shining
be clean, pure
Hiph. cleanse
base