amphibrach

noun

am·​phi·​brach ˈam(p)-fə-ˌbrak 

: a metrical foot consisting of a long syllable between two short syllables in quantitative verse or of a stressed syllable between two unstressed syllables in accentual verse

romantic is an accentual amphibrach

amphibrachic

ˌam(p)-fə-ˈbra-kik 

adjective

Word History

Etymology

borrowed from Latin amphibrachys, borrowed from Greek amphíbrachys, from amphíbrachys, adjective, "short at both ends," from amphi- amphi- + brachýs "short" — more at brief entry 1

First Known Use

1765, in the meaning defined above