The term FIRST HOME can be broken down into three crossword solutions: EDEN (4 letters), WOMB (4 letters), and UTERUS (6 letters). EDEN is a reference to the Garden of EDEN in the Bible, which is described as the first home of mankind. WOMB is a reference to the female reproductive organ, which is often seen as a woman's first home for her unborn child. UTERUS is another name for the same organ, emphasizing its role as a safe and nurturing environment for a baby.