Hi, Sorry, I don't know. Perhaps someone else can tell you. This seems to be a topic that fascinates a lot of people who are learning English. eg What is the longest word? But I think that most native speakers have absolutely no

This word is Finnish. In the Finnish language, instead of adding adjectives and adverbs to describe words, they use a series of compound words. So, this is possibly a real word, but we'd need someone fluent in Finnish to find out.