Leucophlegmacy is a term that's not commonly used in everyday language. The word is spelled /luːkoʊˈflɛməsi/ in IPA phonetic transcription. The first six letters "Leuco-" are derived from the Greek word "leukos," which means white. The following letters -"phlegmacy" comes from the word "phlegma" which means inflammation that causes obstructed breathing pathways. Together, the word means the obstruction of white blood cells in the circulatory system. The word is typically used in medical research or scientific papers.