Haiku in English popular in English-language schools as a way to encourage the appreciation and writing of poetry. "Haiku" is a term sometimes loosely applied to any short, impressionistic poem, but there are certain characteristics that are commonly associated with the genre: Some additional traits are especially associated with English-language haiku (as opposed to Japanese-language haiku): Arguably, the first successful haiku in English was "In a Station of the Metro" by Ezra Pound, published in 1913. During the Imagist period, a number of mainstream poets, including Pound, wrote what they called "hokku", usually in a five-six-four syllable pattern. American poet Amy Lowell published
Mora (linguistics) moraic system of writing. For example, in the two-syllable word "mōra", the "ō" is a long vowel and counts as two morae. The word is written in three symbols, モーラ, corresponding here to , each containing one mora. Such scholars also argue that the 5/7/5 pattern of the haiku in modern Japanese is of morae rather than syllables. The Japanese syllable-final "n" is also said to be moraic, as is the first part of a geminate consonant. For example, the Japanese name for "Japan", 日本, has two different pronunciations, one with three morae ("Nihon") and one with four ("Nippon"). In