芰

芰 (Kangxi radical 140, 艸+4, 10 strokes, cangjie input 廿十水 (TJE), four-corner 4440₇, composition ⿱艹支)

1. water caltrop

• 䝸

• Kangxi Dictionary: page 1020, character 18
• Dai Kanwa Jiten: character 30733
• Dae Jaweon: page 1478, character 4
• Hanyu Da Zidian (first edition): volume 5, page 3178, character 8
• Unihan data for U+82B0

Historical forms of the character 芰
Shuowen Jiezi (compiled in Han)	Liushutong (compiled in Ming)
Small seal script	Transcribed ancient scripts

芰

1. (chiefly archaic) water chestnut (Trapa spp.)

   Synonym: 菱 (líng)

   • 屈到嗜芰，有疾，召其宗老而屬之，曰：「祭我必以芰。」 [Classical Chinese, trad.]
     屈到嗜芰，有疾，召其宗老而属之，曰：「祭我必以芰。」 [Classical Chinese, simp.]

     From: Guoyu, circa 4^th century BCE

     Qū Dào shì jì, yǒu jí, zhào qí zōnglǎo ér zhǔ zhī, yuē: “Jì wǒ bì yǐ jì.” [Pinyin]

     Qu Dao was fond of water chestnuts. When he succumbed to illness, he called for his vassal in charge of the ancestral rites, and requested the use of water chestnuts as the sacrificial offering to him after his death.

(Hyōgai kanji)

1. water caltrop

• Go-on: ぎ (gi)
• Kan-on: き (ki)
• Kun: ひし (hishi, 芰)

芰(ひし) or 芰(ヒシ) • (hishi) 

1. Alternative spelling of 菱 (hishi): Trapa natans var. japonica, a species of water caltrop

芰 • (gi) (hangeul 기, revised gi, McCune–Reischauer ki, Yale ki)

1. (마름): water caltrop, (also implausibly) water chestnut
   • 1431: 鄕藥採取月令^[1] 十二月 (향약채취월령 십이월, hyang-yag-chaechwi-wolryeong sib-iwol):

     芰實鄕名末栗'"`UNIQ-ref00000014QINU`"' '"`UNIQ-ref00000015QINU`"' (기실향명말밤, gisilhyangmyeongmalbam, "The folk name of the water caltrop fruit is coarse chestnut.")

     (please add an English translation of this quotation)