declension
/dɪˈklenʃən/noun
mass noun
1
- (in the grammar of Latin, Greek, and certain other languages) the variation of the form of a noun, pronoun, or adjective, by which its grammatical case, number, and gender are identified（拉丁语、希腊语或某些其他语言标示语法功能的）词形变化。
1.1
- count noun the class to which a noun or adjective is assigned according to the manner of this variation（名词或形容词）词形变化类别。
2
- poetic/literary a condition of decline or moral deterioration〈诗/文〉衰退; 堕落, 道德沦丧：
the declension of the new generation.
新一代的堕落。
派生词
declensional
adjective词源
late Middle English declinson, from Old French declinaison, from decliner 'to decline'. The change in the ending was probably due to association with words such as ascension.