amphibrach
/ˈæmfɪbræk/noun
- Prosody a metrical foot consisting of a stressed syllable between two unstressed syllables or (in Greek and Latin) a long syllable between two short syllables【诗韵】三音节音步。
词源
late 16th cent. （originally in the Latin forms amphibrachus, amphibrachys）： via Latin from Greek amphibrakhus 'short at both ends'.