Surah An-Najm 53:51
وَثَمُودَا۟ فَمَآ أَبْقَىٰ
And Thamūd - and He did not spare [them] -
Translation: Saheeh International
Tafsir
and Thamūd wa-Thamūda may be declined as the name of their forefather or left as a diptote being the name of the tribe; it is a supplement to ‘Ādan sparing not a single one of them;
Excerpt from Tafsir al-Jalalayn, commentary on 53:51, via Quran.com. The reader has the full commentary and 9 more tafsirs.