trochee (n.) Look up trochee at Dictionary.com
1580s, from French trochée, from Latin trochaeus "a trochee," from Greek trokhaios (pous), literally "a running, spinning (foot)," from trekhein "to run" (see truckle (n.)). As a metrical foot, a long followed by a short syllable, or an accented followed by an unaccented one.