﴿ بِلِسَانٍ عَرَبِىٍّۢ مُّبِينٍۢ ﴾

“in the clear Arabic tongue.”

in a clear Arabic tongue a variant reading for nazala ‘he brought down’ verse 193 has nuzzila ‘was sent down’ and al-rūha ‘the Spirit’ in the accusative the subject of the verb being God.