Brevis in longo
In Greek and Latin metre, brevis in longo (; Classical Latin: [ˈbrɛwɪs ɪn ˈlɔŋɡoː]) is a short syllable at the end of a line that is counted as long. The term is short for (syllaba) brevis in (elemento) longo, meaning "a short [syllable] in a long [element]".