Ash-Shu'araa • BN-TAFSEER-IBN-E-KASEER
﴿ قَالُوا۟ بَلْ وَجَدْنَآ ءَابَآءَنَا كَذَٰلِكَ يَفْعَلُونَ ﴾
“They exclaimed: But we found our forefathers doing the same!””
Please check ayah 26:77 for complete tafsir.