Definition of 一段活用 (いちだんかつよう)
いちだんかつよう
                        一段活用
いちだんかつよう
ichidankatsuyou
noun
•
        Related Kanji
| 一 | one, one radical (no.1) | 
| 段 | grade, steps, stairs | 
| 活 | lively, resuscitation, being helped, living | 
| 用 | utilize, business, service, use, employ |