The word "anapnoenusi" is a challenging term to spell as it contains a series of double vowels that can confuse anyone. It is pronounced as [ænæpnoenuːsi] and signifies "respiration" or "breathing" in Greek. The first two letters "an" means "not," while "pnoe" translates to "breath" or "respiration." The last few letters "ousi" are indicative of a form of "being." Therefore, the word altogether implies "not breathing comfortably" or "lack of proper respiration."