Pronunciation: [dˈɔːne͡ɪlz] (IPA) 
The word "doornails" is spelled with a double-o and an "n" before the "a". Its IPA phonetic transcription is /ˈdɔrn.eɪlz/. The first syllable "dorn" is pronounced with an "o" that sounds like "or" in "horn". The "ai" in the second syllable is pronounced like the "a" in "nail". The "lz" at the end is pronounced like a soft "ls" sound. This spelling is unique to "doornails" and is not commonly used in other words.
Doornails, plural noun, refers to large-headed, metal nails or studs that are used in the construction or reinforcement of doors. These specially designed nails typically have a wide, flat, or dome-shaped head, which serves to secure the door's hinges, latch, or other components firmly in place. Doornails are primarily utilized to provide structural stability and durability to doors, ensuring that they remain securely fastened and resistant to external forces.
The idiom "dead as a doornail" also derives from the concept of these nails. In this context, "dead" implies lifeless or inanimate, while "doornail" symbolizes something that is no longer functional or serving its purpose. This phrase is commonly used to describe a state of complete and irreversible unresponsiveness or demise, emphasizing the finality and irreversibility of death.
Historically, doornails have been constructed from materials such as iron or steel due to their strength and durability. With the advancement of technology, nails with specialized coatings or finishes have also become prevalent, offering enhanced resistance to corrosion and rust.
In summary, doornails are sturdy, large-headed nails used in the construction and reinforcement of doors. Whether referring to the physical object or using the idiom, the term emphasizes something lifeless or nonfunctional.
The etymology of the word "doornails" can be traced back to Middle English. The term is composed of two parts - "door" and "nail". The word "door" originated from Old English "duru" and is derived from the Proto-Germanic word "duruz". "Nail" comes from Old English "nægl" and has roots in the Proto-Germanic word "naglaz".
The phrase "dead as a doornail" dates back to the 14th century and was used to describe someone or something that was lifeless or inanimate. The use of the word "doornail" in this idiomatic expression is unclear, but it is believed to have originated from the practice of securing doors by hammering large iron nails into them.
