Ideographic: Words 讠 of warning 戒; 戒 also provides the pronunciationRadical:

meaning for jiè:

  • - commandment
  • - to prohibitto warn
  • - to admonishto reprimand
  • - to admonish
  • - to lecture sbto exhort
  • - to admonishto warn (against some course)
  • - to admonishto repeatedly advise sb earnestly (idiom)
  • - to admonish