From Wiktionary, the free dictionary
שא • (šāʔa)
- Judeo-Arabic spelling of شَاءَ (šāʔa, “to will, want, wish”)
c. 10th century, Saadia Gaon, Tafsir[1], Genesis 1:3:ושא אללה אן יכון נור פכאן נור׃- wašāʔa llāhu ʔan yakūna nūrun fakāna nūrun.
- And God willed there to be light, and then there was light.