﴿ فَلَمَّآ أَتَىٰهَا نُودِىَ مِن شَٰطِئِ ٱلْوَادِ ٱلْأَيْمَنِ فِى ٱلْبُقْعَةِ ٱلْمُبَٰرَكَةِ مِنَ ٱلشَّجَرَةِ أَن يَٰمُوسَىٰٓ إِنِّىٓ أَنَا ٱللَّهُ رَبُّ ٱلْعَٰلَمِينَ ﴾

“But when he came close to it, a call was sounded from the right-side bank of the valley, out of the tree [burning] on blessed ground: “O Moses! Verily, I am God, the Sustainer of all the worlds!””

And when he reached it a call came from the right bank the right side of the valley to Moses at the blessed spot blessed for Moses because of his hearing God’s speech therein from the tree mina’l-shajarati substitutes for min shāti’i ‘from the right bank’ and the preposition min ‘from’ has been repeated because it the tree grows there — the tree was a jujube a bramble or a boxthorn — saying that an here is explicative and not in its softened form ‘O Moses! Indeed I am God the Lord of the Worlds’.