the act of making something shorter or quicker, especially by removing the end of it

The term "novel" is a truncation of the Italian word "novella". “novel"这个（英文）单词是从意大利语中的单词截短而来的。（截短法是英文单词的构词法之一。）

Officials claimed the truncation of the race was due to the earthquake. 官方声称赛程的（临时）缩短是因为地震的缘故。