い in hiragana

Hiragana

is a Japanese syllabary, one basic component of the Japanese writing system, along with katakana, kanji, and the Latin alphabet . Hiragana and katakana are both kana systems, in which each character represents one mora...

 or イ in katakana

Katakana

is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet . The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji. Each kana represents one mora...

 (romanised

Hepburn romanization

The is named after James Curtis Hepburn, who used it to transcribe the sounds of the Japanese language into the Latin alphabet in the third edition of his Japanese–English dictionary, published in 1887. The system was originally proposed by the in 1885...

 as i) is one of the Japanese kana

Kana

Kana are the syllabic Japanese scripts, as opposed to the logographic Chinese characters known in Japan as kanji and the Roman alphabet known as rōmaji...

 each of which represents one mora

Mora (linguistics)

Mora is a unit in phonology that determines syllable weight, which in some languages determines stress or timing. As with many technical linguistic terms, the definition of a mora varies. Perhaps the most succinct working definition was provided by the American linguist James D...

. い is based on the sōsho style of the kanji

Kanji

Kanji are the adopted logographic Chinese characters hanzi that are used in the modern Japanese writing system along with hiragana , katakana , Indo Arabic numerals, and the occasional use of the Latin alphabet...

 character 以, and イ is from the radical

Radical (Chinese character)

A Chinese radical is a component of a Chinese character. The term may variously refer to the original semantic element of a character, or to any semantic element, or, loosely, to any element whatever its origin or purpose...

 (left part) of the kanji character 伊. In the modern Japanese system of alphabetical order, it occupies the second position of the alphabet, between あ and う. Additionally, it is the first letter in Iroha

Iroha

The is a Japanese poem, probably written in the Heian era . Originally the poem was attributed to the founder of the Shingon Esoteric sect of Buddhism in Japan, Kūkai, but more modern research has found the date of composition to be later in the Heian Period. The first record of its existence...

, before ろ. In order to write the hiragana い, draw a curve, not entirely unlike a parenthesis, downward stroke with a hook, and then draw a smaller, floating curve to the right side. Both represent the sound [i]. In the Ainu language, katakana イ is written as y in their Latin-based alphabet, and a small ィ after another katakana represents a diphthong

Diphthong

A diphthong , also known as a gliding vowel, refers to two adjacent vowel sounds occurring within the same syllable. Technically, a diphthong is a vowel with two different targets: That is, the tongue moves during the pronunciation of the vowel...

.

Form	Rōmaji	Hiragana Hiragana is a Japanese syllabary, one basic component of the Japanese writing system, along with katakana, kanji, and the Latin alphabet . Hiragana and katakana are both kana systems, in which each character represents one mora...	Katakana Katakana is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet . The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji. Each kana represents one mora...
Normal a/i/u/e/o (あ行 a-gyō)	I	い	イ
	Ī	いい, いぃ いー	イイ, イィ イー

Other additional forms

EWLINE Form (y-) Rōmaji Hiragana Hiragana is a Japanese syllabary, one basic component of the Japanese writing system, along with katakana, kanji, and the Latin alphabet . Hiragana and katakana are both kana systems, in which each character represents one mora... Katakana Katakana is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet . The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji. Each kana represents one mora... Ye いぇ イェ イェロウ Yerō Yellow Yellow Yellow is the color evoked by light that stimulates both the L and M cone cells of the retina about equally, with no significant stimulation of the S cone cells. Light with a wavelength of 570–590 nm is yellow, as is light with a suitable mixture of red and green...

Variant forms

Scaled-down versions of the kana (ぃ, ィ) are used to express sounds foreign to the Japanese language, such as フィ (fi).

Origin

The い comes from the left part of the Kanji

Kanji

Kanji are the adopted logographic Chinese characters hanzi that are used in the modern Japanese writing system along with hiragana , katakana , Indo Arabic numerals, and the occasional use of the Latin alphabet...

 以, while the イ origins from the right part of it.

Stroke order

The Hiragana い is made in two strokes:

1. At the top left, a curved vertical stroke, ending with a hook at the bottom.
2. At the top right, a shorter stroke, slightly curving in the opposite direction.

The Katakana イ is made in two strokes:

1. At the top, a curved diagonal line going from right to left.
2. In the center of the last stroke, a vertical line going down.

Other communicative representations

In Japanese Braille

Japanese Braille

Japanese braille is a braille code for writing the Japanese language. It is based on the original braille system. In Japanese it is known as , literally "dot characters". Below is a basic chart of Japanese braille with the Japanese hiragana character followed by the standard roman character reading...

, い or イ is represented as:

●	－
●	－
－	－

The Morse code

Morse code

Morse code is a method of transmitting textual information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment...

 for い or イ, is ・－.

In Japanese phonetic alphabet

Japanese phonetic alphabet

The is a radiotelephony spelling alphabet, similar in purpose to the NATO phonetic alphabet, but designed to communicate Japanese kana rather than Latin letters...

, one would say "いろはのイ" (Iroha no I.)