Word by Word Analysis

فَلَوْلَا نَصَرَهُمُ ٱلَّذِينَ ٱتَّخَذُوا۟ مِن دُونِ ٱللَّهِ قُرْبَانًا ءَالِهَةًۢ ۖ بَلْ ضَلُّوا۟ عَنْهُمْ ۚ وَذَٰلِكَ إِفْكُهُمْ وَمَا كَانُوا۟ يَفْتَرُونَ 28

Then why did those they took besides Allāh as deities by which to approach [Him] not aid them? But they had strayed [i.e., departed] from them. And that was their falsehood and what they were inventing.