IPA: /ˈdɛθˌbloʊ/
KK: /ˈdɛθˌbloʊ/
A blow or event that causes death or destruction, often used metaphorically to describe something that ends hopes or plans.
The sudden loss of funding dealt a deathblow to the project.
Deathblow is formed from "death" (from Old English "deað", meaning the end of life) and "blow" (from Old English "blāwan", meaning to strike or hit). The term refers to a final strike that causes death or ends life.
Think of 'death' as the end of life and 'blow' as a strike — a deathblow is a strike that ends life.
No commonly confused words.