"Dead As A Doornail" Idiom Definition And Origin [View all]
https://grammarist.com/idiom/dead-as-a-doornail/
Dead As A Doornail Idiom Definition And Origin
| GRAMMARIST | IDIOM
Dead as a doornail is a phrase which means not alive, unequivocally deceased. The term goes back to the 1300s, the phrase dead as a doornail is found in poems of the time. The term dead as a doornail was used in the 1500s by William Shakespeare, and in Charles Dickens A Christmas Carol in 1843. It is thought that the phrase dead as a doornail comes from the manner of securing doornails that were hammered into a door by clenching them.
Clenching is the practice of bending over the protruding end of the nail and hammering it into the wood. When a nail has been clenched, it has been dead nailed, and is not easily resurrected to use again.
An alternative wording of the phrase dead as a doornail is deader than a doornail.
[...]
The common expression, as dead as a doornail, has a vague yet fascinating origin from the 1300s. It can be traced back to the famous poem of William Langland entitled Piers Plowman.
[...]