Surah Quraysh 106:3
فَلْيَعْبُدُوا۟ رَبَّ هَـٰذَا ٱلْبَيْتِ
Let them worship the Lord of this House,
Translation: Saheeh International
Tafsir
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
Excerpt from Tafsir al-Jalalayn, commentary on 106:3, via Quran.com. The reader has the full commentary and 9 more tafsirs.