What Does 'WD-40' Stand For?

Does the name of the iconic household product WD-40 reveal something about its invention?
The lubricating spray WD-40 is so named because it was the product of the 40th attempt at creating a water displacing substance.

Brian Roemmele on X: WD-40 was created in 1953, by three technicians at the San Diego Rocket Chemical Company. They were successful with their fortieth attempt, thus WD-40. But what is WD

Unusual Uses for WD-40 : 10 Steps (with Pictures) - Instructables

History - WD-40 Company

History - WD-40 Company

Wd40 Vintage Ad Sign Metal Sign Club Party Home Funny Wall Decor Tin Sign Poster - AliExpress

WD40 - What Is It & What Can You Use It For? - Toolstop

WD-40 12 oz. Original WD-40 Formula, Multi-Purpose Lubricant Spray with Smart Straw 49005 - The Home Depot

WD-40 - Wikipedia

If WD 40 is sprayed on rusty metal, does the rust disintegrate or just roll off? - Quora