trochee
noun
tro·chee ˈtrō-(ˌ)kē 
: a metrical foot consisting of one long syllable followed by one short syllable or of one stressed syllable followed by one unstressed syllable (as in apple)
Example Sentences
Recent Examples on the Web Ode to Julia Morgan 1872-1957, the first woman licensed to practice architecture in CaliforniaThe trochees of our names have drawnrectangles belowthe blue vaults of the swimming pool. 
David Roderick, San Francisco Chronicle, 14 Feb. 2018
David Roderick, San Francisco Chronicle, 14 Feb. 2018 Word History
Etymology
probably from Middle French trochée, from Latin trochaeus, from Greek trochaios, from trochaios running, from trochē run, course, from trechein to run; akin to Greek trochos wheel, Old Irish droch
First Known Use
1589, in the meaning defined above