如何 - Wiktionary, the free dictionary The kanji spelling is an example of jukujikun (熟字訓), using the corresponding Chinese term 如何 (rúhé, literally “like what”) for the spelling and the underlying Japanese root word for the reading
What is the difference between 怎么 and 如何？ Normally, 怎么 is more oral than 如何 如何 can be read in much ancient literature, and it can also be used in formal documents, but that is too formal You may express "How about that?" saying: 如何？ There is an idiom 如何是好, which expresses "What How should I do?"