Backbreakers

Part of speech: noun

Definitions

1. A term describing tasks or activities that are extremely physically demanding, often leading to exhaustion or injury
2. Referring to particularly arduous labor or challenges that significantly strain the body and may cause severe fatigue
3. Used to denote strenuous workouts or jobs that test physical limits and can lead to debilitating effects on the body

Etymology: "Backbreakers" is the plural of "backbreaker," a compound formed from "back" and "breaker." The noun "breaker" comes from the verb "break," and in this compound it denotes something that breaks, here the spine or the body's back. Built this way, the word describes tasks hard enough to break one's back, and the plural simply counts several such jobs or exertions.