O / obtĭcentĭa
noun

obtĭcentĭa

gen. obtĭcentiae · gender feminine · decl. 1st
a pause; sudden break
a pause, sudden break in the midst of a discourse, as a rhet. figure: Ἀποσιώπησις, quam Cicero reticentiam, Celsus obticentiam, nonnulli interruptionem appellant, Quint. 9, 2, 54.