anapest (n.) Look up anapest at Dictionary.com
also anapaest, "two short or unaccented syllables followed by a long or accented one," 1670s, from Latin anapaestus, from Greek anapaistos "struck back, rebounding," as a noun "an anapest," verbal adjective from anapaiein "to strike back," from ana- "back" (see ana-) + paiein "to strike," from PIE *pau- (2) "to cut, strike, stamp" (see pave). So called because it is a dactyl reversed.