下一段 しもいちだん Meanings Noun conjugation (inflection, declension) of ichidan verbs ending in "eru" See also: 下一段活用 (しもいちだんかつよう). Kanji 下 down. Read as しも. 一 one. Read as イチ. 段 step. Read as ダン. Words containing 下一段 下一段活用 (しもいちだんかつよう) conjugation (inflection, declension) of ichidan verbs ending in "eru" Jinuma: Japanese Dictionary · Word lists