also: イだん
noun
i-row of the kana syllabary
Linguistics term referring to the row of kana ending in the vowel /i/ (い, き, し, etc.). Used in discussions of Japanese phonology and grammar.
See also: 五十音
五十音図のい段には「い、き、し、ち、に、ひ、み、り、ゐ」が並ぶ。
The i-row of the gojūon chart contains い, き, し, ち, に, ひ, み, り, and ゐ.
Compound of い (i, the vowel) and 段 (dan, 'step, row, grade'), literally 'i-row'. A straightforward technical term from Japanese linguistics.