Phlebemphraxis is a medical term that refers to the obstruction or blockage of a vein. The spelling of the word can be quite challenging and may require patience and attention. It is broken down into its two root words - phleb- meaning "vein" and -emphraxis meaning "obstruction" or "blocking". The pronunciation of the word is /flɛˌbɛmfɹæksɪs/ and it can be helpful to break it down into smaller segments to aid in correct spelling and pronunciation. Overall, phlebemphraxis is a word that requires careful attention to detail.
Venous thrombosis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.