Chou Collection, Upper Volume
Radical: Mouth (kǒu)
Character: Yi
Kangxi strokes: 10
Page 192, Entry 03
Broad Rhymes (Guangyun): Pronounced e.
Collection of Rhymes (Jiyun), Rhyme Compendium (Yunhui), and Correct Rhymes (Zhengyun): Pronounced e.
Erya, Explanation of Words (Erya Shiyan): Ai-yi.
Commentary: Wu-yi, shortness of breath.
Sub-commentary: Sun Yan says: heart-grieved.
Master of Huainan (Huainanzi), On Viewing the Darkness (Lanmingxun): Mengchang sighed with increased sorrow, weeping with choked sobs, unrestrainable.
Also, Broad Rhymes (Guangyun): Pronounced yi.
Collection of Rhymes (Jiyun), Rhyme Compendium (Yunhui): Pronounced yi.
Meaning is the same.
Collection of Rhymes (Jiyun): Sometimes abbreviated as yi.
Rhyme Compendium (Yunhui): Commonly written as ke.