Playing video games helps him relax by diverting his thoughts from work.

diverting 是动词 divert 的现在分词形式，divert 由前缀 di-（表示"离开"）和词根 vert（表示"转向"）组成，意思是"转移、使转向"。 thoughts 是名词 thought 的复数形式，thought 意思是"想法、思绪"。 diverting thoughts 指"转移注意力/思绪"，即把注意力从某件事上引开。