prosthion
/ˈprɒsθiːɒn/Physical Anthropol., Anatomy, and Zoology
noun
The most anterior or lowest point of the alveolar process of the maxilla in the median plane (between the two central incisors).
Origin
Early 20th century; earliest use found in American Anthropologist. From German Prosthion from ancient Greek πρόσθιος foremost + German -ion.