zāxā זָכָה ‘to clean’ (Hebrew)

Etymology^?: a primitive root, compare zāxax זָכַךְ ‘be clean’

zāxā v
1) to be clean, be pure, be clear
 1a) (Qal)
  1a1) to be clean, be pure
  1a2) to be clear, be justified
 1b) (Piel)
  1b1) to make clean, make pure, keep clean, keep pure
 1c) (Hithpael)
  1c1) to cleanse
  1c2) to make yourself clean, purify oneself