The word "有鉴于此" is formed through the literal concatenation of its four characters: "有" (have/there is) introduces the existence of a premise; "鉴" (mirror/lesson) contributes the core idea of reflection or precedent; "于" (in/regarding) functions as a preposition that attaches that lesson to a specific context; and "此" (this) directly points to the present matter at hand. Together, they construct a fixed expression meaning "in view of this" or "considering this", where the components logically sequence from establishing a reference to applying it to the current situation.