وَٱلْقَمَرَ قَدَّرْنَـٰهُ مَنَازِلَ حَتَّىٰ عَادَ كَٱلْعُرْجُونِ ٱلْقَدِيمِ
Walqamara qaddarnaahu manaazila hattaa 'aada kal'ur joonil qadeem
We have determined phases for the moon until finally it becomes like an old date-stalk.
And for the moon, we have ordained phases, until it returns like an old withered date-stalk.