periambus
pĕrĭambus, i, m.
- A metrical foot, consisting of two short syllables; usually called a pyrrhichius, Quint. 9, 4, 80.
periambus, ī, m. = pyrrichius, Quint. 9, 4, 80.
pĕrĭambus, ī, m. , c. pyrrhichius : Quint. 9, 4, 80.