nasopharynx (n.)

word-forming element meaning "relating to the nose; of the nose and," from Latin nasus "nose," from PIE *nas- (see nose (n.)).

Proto-Indo-European root meaning "nose."

It forms all or part of: nares; nark; nasal; nasopharynx; nasturtium; ness; nose; nostril; nozzle; nuzzle; pince-nez.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit nasa, Old Persian naham, Latin nasus, Old Church Slavonic nasu, Lithuanian nosis, Old English nosu, German Nase "nose."

"musculo-membranous pouch at the back of the nasal cavities, mouth, and larynx," 1690s, from Greek pharynx (genitive pharyngos) " throat, joint opening of the windpipe," which is related to pharanx "cleft, chasm, gully, deep trench;" all of uncertain origin; Beekes suggests Pre-Greek origin. The combining form is pharyngo-, before vowels pharyng-; the Modern Latin plural is pharynges.