dactyl

noun

1. a metrical foot consisting, in Greek and Latin verse, of one long syllable followed by two short ones, or, as in English verse, of one accented syllable followed by two unaccented ones (Ex.: “táke hĕr ŭp | téndĕrl”)
2. Zool. a finger or toe

Etymology: ME dactil < L dactylus < Gr daktylos, a finger or (by analogy with the three joints of a finger) a dactyl