﴿ فَقُلْ هَل لَّكَ إِلَىٰٓ أَن تَزَكَّىٰ ﴾

“and say [unto him], 'Art thou desirous of attaining to purity?”

and say “Would you — I call you to — purify yourself tazakkā a variant reading has tazzakkā where the original second tā’ of tatazakkā has been assimilated with the zāy to purge yourself of idolatry by bearing witness that there is no god but God