M / mŏlossĭambos
noun

mŏlossĭambos

gen. i · gender masculine · decl. 2nd
molossus-iambus
a metrical foot consisting of three long syllables and an iambus
a metrical foot consisting of three long syllables and an iambus (e. g. ādmīrābĭlēs), Diom. p. 478 P.