amˈfiməsə(r), ˈamfəˌmās- noun
( -s )
Etymology: Latin amphimacrus, from Greek amphimakros, literally, long at both ends, from amphi- + makros long — more at meager
: a trisyllabic foot consisting of a short syllable between two long syllables in quantitative verse or of an unstressed syllable between two stressed syllables in accentual verse
the word runaway is an accentual amphimacer
— called also cretic