Surah Az-Zukhruf — Ayah 28 (43:28)
وَجَعَلَهَا كَلِمَةَۢ بَاقِيَةٗ فِي عَقِبِهِۦ لَعَلَّهُمۡ يَرۡجِعُونَ ٢٨
English translation (Saheeh International)
And he made it1 a word remaining among his descendants that they might return [to it].
- - i.e., his testimony that none is worthy of worship except Allāh.
Brief commentary
And Abraham made this monotheistic statement of his remain in his progeny after him. There remained among them those who would worship Allah alone and not attribute any partners with Him, in the hope that they turn to Allah having repented from ascribing partners with Him and sins.