ṭāhēr טָהֵר ‘be pure’ (Hebrew)

Etymology^?: a primitive root

ṭāhēr v
1) to be clean, be pure
 1a) (Qal)
  1a1) to be clean (physically-of disease)
  1a2) to be clean ceremonially
  1a3) to purify, be clean morally, made clean
 1b) (Piel)
  1b1) to cleanse, purify
1b1a) physically
1b1b) ceremonially
1b1c) morally
  1b2) to pronounce clean
  1b3) to perform the ceremony of cleansing
 1c) (Pual) to be cleansed, be pronounced clean
 1d) (Hithpael)
  1d1) to purify oneself
1d1a) ceremonially
1d1b) morally
  1d2) to present oneself for purification