The first name Manu is ♀ female and ♂ male.
Manu is a diminutive of Emanuel/Emanuelle or Manuel/Manuela, which derived from the Hebrew name Immanuel. Besides, Manu is a Sanskrit name and the name of the first man in Hinduism.
Manu means “God is with us” (from Hebrew “im/עִם” = with + “el/אֵל” = God) and “human” (from Sanskrit “मनु”). Besides, Manu means “bird” in Māori.