20:27
وَٱحْلُلْ عُقْدَةً مِّن لِّسَانِى
wa-uḥ'lul ʿuq'datan min lisānī
And untie the knot from my tongue
— Saheeh International
Untie my tongue,
— M. A. S. Abdel Haleem
"And loose the knot (the defect) from my tongue, (i.e. remove the incorrectness from my speech) [That occurred as a result of a brand of fire which Mûsâ (Moses) put in his mouth when he was an infant]. (Tafsir At-Tabarî).
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali