dactyl

• n. 强弱弱格（希腊·拉丁诗歌）；扬抑抑格，长短短格（英国诗歌）；[动] 趾

来自希腊语dactylos,手指，词源同pterodactyl.手指指节一长二短，代指诗歌的长短短格。

dactyl (n.)

metrical foot, late 14c., from Greek dactylos, literally "finger" (also "toe"), which is of unknown origin; the metrical use (a long syllable followed by two short ones) is by analogy with the three joints of a finger.