dactyl
/ˈdæktɪl/noun
- Prosody a metrical foot consisting of one stressed syllable followed by two unstressed syllables or (in Greek and Latin) one long syllable followed by two short syllables【诗韵】扬抑抑格, 长短短格。
词源
late Middle English: via Latin from Greek daktulos, literally 'finger' (the three bones of the finger corresponding to the three syllables).