Surah Al-Ma'arij 70:13
وَفَصِيلَتِهِ ٱلَّتِى تُـْٔوِيهِ
And his nearest kindred who shelter him.
Translation: Saheeh International
Tafsir
and his kin his clan expressed as fasīla because he is a detached part fasl of it that had sheltered him embraced him
Excerpt from Tafsir al-Jalalayn, commentary on 70:13, via Quran.com. The reader has the full commentary and 9 more tafsirs.