Why did Pharaoh's daughter name the baby Moses?

Answer: She drew him out of the water

Pharaoh's daughter named him Moses and explained, "I drew him out of the water."

“When the child had grown older, she brought him to Pharaoh’s daughter, and he became her son. She named him Moses and explained, “I drew him out of the water.””— Exodus 2:10 (BSB)