“Our Lord! Send amongst them a Messenger of their own (and indeed Allah answered their invocation by sending Muhammad ), who shall recite unto them Your Verses and instruct them in the Book (this Quran) and Al-Hikmah (full knowledge of the Islamic laws and jurisprudence or wisdom or Prophethood, etc.), and sanctify them. Verily! You are the All-Mighty, the All-Wise.”
Meaning:-
Invocation: the summoning of a deity or the supernatural.
Jurisprudence: system of laws.
Sanctify: to purify or free from sin