There is still another foot, known as the amphibrach, which consists of three syllables, the second of which is accented, as in the word de-ni'-al.
"Elementary Guide to Literary Criticism"
F. V. N. Painter
Define a spondee; amphibrach, with example.
"Elementary Guide to Literary Criticism"
F. V. N. Painter
To these, some now add the other four; namely, the amphibrach, the Amphimac, the Bacchy, and the Antibacchy.
"The Grammar of English Grammars"
Goold Brown