Surah Quraysh, ayah 2

106:2

إِۦلَٰفِهِمۡ رِحۡلَةَ ٱلشِّتَآءِ وَٱلصَّيۡفِ ٢

Īlāfihim rihlatash-shitā'i was-sayf

Their accustomed security [in] the caravan of winter and summer1997 -

Footnotes

1997 i.e., the trading caravans that traveled south in winter and north in summer.