He has an analytical mind, always deconstructing problems to understand their root causes.

analytical 是形容词，由名词 analysis（分析）加上形容词后缀 -ical 构成，表示"分析的、善于分析的"。词根 analy- 来自希腊语，意为"分解、解析"，后缀 -tical 表示"与...相关的"。