declension
名词 declension:
the inflection of nouns and pronouns and adjectives in Indo-European languages
process of changing to an inferior state
同义词:deterioration, decline in quality, worsening
a downward slope or bend
同义词:descent, declivity, fall, decline, declination, downslope
a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms