Because of wearing ill-fitting shoes for years, he needs to see a podiatry specialist.

podiatry 是由希腊词根 pod-（意为"足"）和后缀 -iatry（意为"治疗"）组成的复合词，字面意思是"足部治疗"，指专门治疗足部疾病的医学分支。podiatry specialist 即"足病专科医生"。