質問: 日本 -> 日と本 the on'yomi for 本 is ほん(hon) but the on'yomi for 日 is にち(nichi). so why is 日 pronounced as に(ni) ? 日本 -> 日と本 the on'yomi for 本 is ほん(hon) but the on'yomi for 日 is にち(nichi). so why is 日 pronounced as に(ni) ?
回答: because 日本 is a proper noun. it doesn't mean 日と本.