Quraish • EN-AL-JALALAYN
﴿ فَلْيَعْبُدُوا۟ رَبَّ هَٰذَا ٱلْبَيْتِ ﴾
“Let them, therefore, worship the Sustainer of this Temple;”
let them worship fa’l-ya‘budū is semantically connected to li-ilāfi ‘for the security’ the fā’ being extra the Lord of this House