*nas-

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."