trachelium
noun
tra·che·li·um
trəˈkēlēəm
variants or trachelion
-lēˌän,
-ēən
plural trachelia
-lēə
: the part of the neck of a column above the gorgerin
Word History
Etymology
New Latin, from Greek trachēlos neck + Latin -ium or Greek -ion (diminutive suffixes)