dactyl
Concise Oxford English Dictionary © 2008 Oxford University Press:
dactyl /ˈdaktɪl/
▶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.
– origin ME: via L. from Gk daktulos, lit. ‘finger’ (the three bones of the finger corresp. to the three syllables).
'dactyl' also found in these Oxford entries:
