إِۦلَٰفِهِمْ رِحْلَةَ ٱلشِّتَآءِ وَٱلصَّيْفِ
their being accustomed to the journey of winter and summer
Roots in this verse: ا ل ف (Alf), ر ح ل (rHl), ش ت و ($tw), ص ي ف (Syf)