The Daughters of Izdihar by Hadeer Elsbai

From debut author Hadeer Elsbai comes the first book in an incredibly powerful new duology, set wholly in a new world, but inspired by modern Egyptian history, about two young women—Nehal, a spoiled aristat used to getting what she wants and Giorgina, a poor bookshop worker used to having nothing—who find they have far more in common, particularly in their struggle for the rights of women and their ability to fight for it with forbidden elemental magic
As a waterweaver, Nehal can move and shape any water to her will, but she's limited by her lack of formal education. She desires nothing more than to attend the newly opened Weaving Academy, take complete control of her powers, and pursue a glorious future on the battlefield with the first all-female military regiment. But her family cannot afford to let her go—crushed under her father's gambling debt, Nehal is forcibly married into a wealthy merchant family. Her new spouse, Nico, is...