zāxax זָכַךְ ‘be clean’ (Hebrew)

Etymology^?: a primitive root, compare zāxā זָכָה ‘to clean’

zāxax v
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