procilios

procilios [προκοίλιος] , (metr.) that has one additional syllable in the middle. 671 pathetica ‥ septenae divisionis disciplina, hoc est acefalos, lagaros, procilios [W. Malm. GP V 195: protilos], cum ceteris qualiter varietur Aldh. Ep. 1 p. 477.