REPENTANCE. Arabic taubah طوبة.
Lit. “The turning of the heart from sin.” (An-Nawawi’s Commentary on Muslim, vol. ii. p. 354.). It is frequently enjoined in the Qur’an. e.g.:-
Surah iv. 20: “If they repent and amend let them be. Verily God is he who relenteth. He is merciful.”
Surah xxiv. 32: “Be ye wholly turned to God, O ye believers, and it shall be well with you.”
Surah xxv. 71 “Whoso hath repented and hath done what is right, be verily it is who turneth to God with a true conversion:’ [PARDON.]
Based on Hughes, Dictionary of Islam