subruebatDictionary entriessubruo, subruere, subrui, subrutus:Verb · 3rd conjugationFrequency:Lesser= undermine;Entry →sg. imperf. act. ind. 3rdExamplesLiber IIPublius Cornelius Tacitus from HISTORIAE"...centurionum militumque animos obstinatos pro Vitellio variis artibus subruebat: Basso eadem molienti minor difficultas erat, lubrica ad mutandam..."