catamorphismWiktionary 原文构词拆分cata-前缀“down”down · reverse, backward, degenerative+morphism词根/词干词源说明From cata- (“down”) + morphism.释义（英文）名词 Noun(functional programming) A generalization of the folds on lists known from functional programming to arbitrary abstract data types that can be described as initial algebras.词族相关词（4）anamorphismkatamorphismhylomorphismparamorphism