وَلَقَدۡ أَرۡسَلۡنَآ إِلَىٰ ثَمُودَ أَخَاهُمۡ صَٰلِحًا أَنِ ٱعۡبُدُواْ ٱللَّهَ فَإِذَا هُمۡ فَرِيقَانِ يَخۡتَصِمُونَ ٤٥
And We had certainly sent to Thamūd their brother Ṣāliḥ, [saying], "Worship Allāh," and at once they were two parties conflicting.
Translation: Saheeh International (English)
Each word's meaning and sound
And I sent toThamud their brother in lineage Salih (peace be upon him) saying “Worship Allah alone”, but they became two groups after his calling them: a believing group and the other disbelieving, arguing over who is on the truth.
Al-Mukhtasar in interpreting the Noble Quran