back-formation

n. 逆序造词, 倒反构词

异体字: formation: 

back-formation 或 back formation

n.（名词）
A new word created by removing an affix from an already existing word, asvacuum clean from vacuum cleaner, or by removing what is mistakenly thought to be an affix, as pea from the earlier English plural pease.
逆构词：从已存在的词中去掉一个词缀所形成的新词，如vacuum clean 是从 vacuum cleaner 而来的，或者去掉那被错误地认为是词缀的部分，如 pea 是从早期英语的复教 pease 而来的
The process of forming words in this way.
逆序构词法：用这种方式形成新词的过程