trithemimer
noun
trith·e·mim·er
ˌtrithəˈmimə(r)
plural -s
: a group of three half feet in classical prosody : a catalectic colon of a foot and a half
Word History
Etymology
modification (influenced by trit-) of New Latin trihemimeris, from tri- + hemi- + -meris (from Greek meris part)