وَٱلْأَرْضِ ذَاتِ ٱلصَّدْعِ
Sentence structure
وَٱلْأَرْضِ is coordinated with the preceding genitive oath noun. ذَاتِ is its genitive adjective and is annexed to ٱلصَّدْعِ.
Ayah summary
And by the earth that splits open for vegetation to emerge.
وَٱلْأَرْضِ — And the earth
Grammar: وَ coordinates, ٱل is the definite article, and أَرْضِ is a genitive noun coordinated with ٱلسَّمَآءِ.
ذَاتِ — which
Grammar: A feminine-singular genitive adjective of ٱلْأَرْضِ, annexed to ٱلصَّدْعِ.
ٱلصَّدْعِ — cracks open
Grammar: ٱل is the definite article; صَّدْعِ is the genitive complement of ذَاتِ.