English
corroborate v.- confirm or give support to (a statement, theory, or finding).
Spanish
corroborar
Etymology
1530s, “to give (legal) confirmation to,” from Latin corroboratus, past participle of corroborare “to strengthen, invigorate,” from com- “together” or “thoroughly” (seecom-) + roborare “to make strong,” from robur, robus “strength