Derivative form of the name Ada/Adal - "noble".
There are multiple origins and meanings for the name Eda:
1. Turkish (Turkic) name meaning - "manner; flirtatious airs, coquetry; style, way of speaking/writing; paying (a debt)"
2. Diminutive form of the personal name Edith, or of Edna, or of Ada/Adal - "noble".
3. The female shortened equivalent of the male given name Edward - "rich guard".