The word 造诣 is formed by combining the character 造, meaning "to achieve" or "to attain", with 诣, meaning "to reach" or "to arrive at", specifically in the context of attaining a level of knowledge or skill. Together, they create a compound word where 造 emphasizes the act of achieving and 诣 emphasizes the arrival at a high point, resulting in the meaning of "accomplishment" or "proficiency", particularly in academic or artistic fields.