Katabolin is a rare word that is often misspelled due to its complex phonetic structure. The correct pronunciation of this word is /kəˈtæbəlɪn/, with the stress on the second syllable. The spelling is derived from the root word "katábasis" which means a descending or going down. The word "katabolin" is a noun and refers to the act of overthrowing, destroying or laying waste. While it may be a difficult word to spell, its significance in language makes it important to correctly use and pronounce.