From The Dictionary of Obscure Sorrows, by John Koenig. https://www.dictionaryofobscuresorrows.com/post/23536922667/sonder https://www.dictionaryofobscuresorro

From The Dictionary of Obscure Sorrows, by John Koenig. https://www.dictionaryofobscuresorrows.com/post/23536922667/sonder https://www.dictionaryofobscuresorrows.com/post/23536922667/... It's listed in dictionary.com, but it's not in Merriam-Webster or Cambridge dictionaries yet.