(transitive) To make dirty. / (intransitive) To become dirty or soiled. / (transitive, figuratively) To stain or mar, as with infamy or disgrace; to tarnish; to sully.

(transitive) To fasten (a criminal etc.) to a wheel and break his limbs or beat him to death.

plural of pathogroup

(archaic) second-person singular simple past form of apprehend