subruendosDictionary entriessubruo, subruere, subrui, subrutus:Verb · 3rd conjugationFrequency:Lesser= undermine;Entry →acc. pl. fut. pass. part.ExamplesLiber XIIIPublius Cornelius Tacitus from ANNALES"...consulerent. tum quadripertito exercitu hos in testudinem conglobatos subruendo vallo inducit, alios scalas moenibus admovere, multos tormentis faces..."