Sentence:  We call Edith <WSD>Eden</WSD> now because that is what she called herself before she could pronounce 'th'. It is rather a lovely name, I think. Edith sounds like someone's old aunt. I can't think why Mother and Father chose it. 
Meaning of the word marked with <WSD> tags:  (from=Hebrew) from the biblical place name; also a medieval diminutive of (-) compound names beginning with the element (riches).