Old English

Prefix

yfel-

1. denotes wickedness, inequity, wrong-doing, wrong (compare English mal-, ill-)

   yfeldēma "wicked judge"

   yfelcweþan "to speak evil of, slander, curse, revile, abuse verbally"

   yfelonbecweþende "influencing or persuading to do evil"

   yfelsacian "to blaspheme"

   yfelġeornes "malice"

2. denotes of magic, witchcraft or the occult

   yfelweorc "work of magic, witchcraft, evil deed"