knuckle down (to something) - to begin to work earnestly

What does knuckle down (to something) in Idioms_knuckle stand for? This page is dedicated to explaining the various possible meanings of acronym, abbreviation, shorthand or slang term : knuckle down (to something) What does knuckle down (to something) in Idioms_knuckle mean? Ever wondered what knuckle down (to something) means? Or any of the other 1,050,000 slang words, abbreviations and acronyms listed here at Sayitshort.com? Your resource for web acronyms, web abbreviations and netspeak.

What is knuckle down (to something)?
knuckle down (to something) is " to begin to work earnestly", under knuckle-down-(to-something)
knuckle down (to something) Definition / knuckle down (to something) Means
The definition of knuckle down (to something) is " to begin to work earnestly"
The Meaning of knuckle down (to something)
knuckle down (to something) means " to begin to work earnestly"
Other definition of knuckle down (to something)?
We've found a total of 1 definitions for knuckle down (to something) knuckle down (to something) to begin to work earnestly in Idioms

What does knuckle down (to something) in Idioms_knuckle stand for?