declension
語形変化◆可算◆特に名詞や形容詞の
declension
/dɪˈklenʃn/
(grammar)
1 countable (in some languages) a set of nouns, adjectives or pronouns that change in the same way to show case, number and gender 2 uncountable (in some languages) the way in which some sets of nouns, adjectives and pronouns change their form or endings to show case, number or gender Word Origin
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.