أَوْ أَمَرَ بِٱلتَّقْوَىٰٓ ١٢
Sentence structure
أَوْ coordinates an alternative. أَمَرَ is a perfect with understood subject and بِٱلتَّقْوَىٰٓ is linked to it.
Ayah summary
It would also be better if he instructed others to remain mindful of Allah.
أَوْ — or
Grammar: A coordinating particle offering an alternative.
أَمَرَ — he commands
Grammar: A third-person masculine-singular perfect with understood subject.
بِٱلتَّقْوَىٰٓ — righteousness
Grammar: بِ is a preposition and the defined feminine noun is genitive. This phrase is linked to «أَمَرَ».