This word is from the Spanish exterminación.
éks·ter·mi·nas·yón
extermination
To exterminate is to kill. This term is often used in reference to killing pests like cockroaches that infest houses. If the pest infestation is severe, one may have to call a professional exterminator.
KAHULUGAN SA TAGALOG
éksterminasyón: pagpatáy sa mga kulisap