• 桃もも — peach (fruit); peach tree
• 白桃はくとう — white peach
• 黄桃おうとう — yellow peach
• 桃色ももいろ — peach color; pink
• 桃源郷とうげんきょう — utopia; earthly paradise
• 桃の花もものはな — peach blossom

Composition is 木 (tree) + 兆 (omen/sign). Think: a tree showing the “signs” of spring — buds and blossoms that promise sweet fruit. That’s why 桃 centers on peaches, peach trees, and the soft pink color.