The word 'studied' refers to the process of examining or learning about a particular subject in a detailed or focused way. It can also describe something that is done with careful thought or intent, such as a 'studied approach' to a problem, suggesting that the actions are calculated and deliberate.
The word 'studied' comes from the Middle English 'studied,' which is derived from the Old French 'estudier,' meaning to study or to apply oneself to learning. This, in turn, comes from the Latin word 'studiare,' which means to be eager or to be devoted to learning.