The word "strong" refers to the quality of having great physical power, capacity, or endurance. It can also describe someone who is mentally or emotionally resilient, capable of withstanding pressure or challenges. Additionally, "strong" can be used to characterize something that is intense or pronounced, such as a smell or argument.
The word "strong" comes from the Old English "strang," which means "strong, powerful, firm." Its roots can be traced further back to Proto-Germanic strangwaz and Proto-Indo-European streg-, meaning "to be strong."