His fetishism for limited-edition sneakers was almost superstitious, as he believed they could bring good luck.

fetishism 是由名词 fetish（崇拜物、迷恋对象）加上后缀 -ism（表示某种主义或行为）构成的名词。fetish 原指原始宗教中具有超自然力量的物品，现代引申为对某物的过度迷恋或崇拜。 fetishism 在这里指"对某物的狂热崇拜或迷恋"，特指对限量版球鞋的非理性迷恋行为，带有近乎迷信的色彩。