Dura is the feminine form of the adjective durus, meaning hard, harsh, hardy, vigorous, stern, unfeeling, inflexible, burdensome or difficult.
The accusitive form of "dura" or "durus" which means "hard, solid or difficult."
Durus, if masculine; dura, if feminine; durum, if neuter.
Hard
This is the dura mater (Latin for "tough mother").
Dura-Ace is the name of one of Shimanos top of the line groups of kit, shifters, derailers, brakes. What "dura" all by itself would mean in the bike world I have no idea.
"Dura Dura" is a song by Daddy Yankee that was released on April 20, 2018.
The dura mater which is Latin for "tough mother" and would also make a kickin' name for a sports team.
The standard expression is dura lex sed lex (literally, "harsh law but law").
Dura mater and pia mater are two different layers of connective tissue that surround the brain called meninges. Dura mater is Latin for "tough mother" and is attached to the inner surface of the skull. Pia mater is Latin for "soft mother" and lines the outer surface of the brain. Between the two is a third meningeal layer called the arachnoid mater because of its web like appearance.
The Dura is defined as being the outermost, most fibrous, and toughest meninges that covers the brain and spinal cord. Dura is a shortened form of Dura mater.
Dura lex sed lex is Latin for "the law is harsh but it is the law." Examples would be disproportionately large sentences for drug crimes compared to violent crimes, or in some opinions the use of the death penalty in general.
Dura Lube was created in 1986.