gāʾal גָּאַל ‘to defile’ (Hebrew)

Etymology^?: a primitive root
Roots: גאל

gāʾal v
1) to defile, pollute, desecrate
 1a) (Niphal) to be defiled, be polluted
 1b) (Piel) to pollute, desecrate
 1c)(Pual) to be desecrated (of removal from priesthood)
 1d) (Hiphil) to pollute, stain
 1e) (Hithpael) to defile oneself