و س قw-s-q
(ض) وَسَقَ يَسِقُ وَسْقًاwasaqa yasiqu wa-sqan: to gather, to gather up.
وَسْقwasq: a load; a unit of measure.
Form VIII (iftiʿāl) اِتَّسَقَ يَتَّسِقُ اِتِّسَاقًاittasaqa yattasiqu ittisāqan (original form اِوْتَسَقَiwtasaqa, the wāw changed to tāʾ and assimilated): to become full and complete, to join and become one — of the moon the word is most delicate, i.e. when it becomes full. Twice in the Quran, both in the same context: ﴿وَالَّيْلِ وَمَا وَسَقَ وَالْقَمَرِ إِذَا اتَّسَقَ﴾ (Al-Inshiqāq 84:17–18) — i.e. the night and what it gathers up, and the moon when it becomes full.