Renku Renku , or , is a Japanese form of popular collaborative linked verse poetry. It is a development of the older Japanese poetic tradition of "ushin" renga, or orthodox collaborative linked verse. At renku gatherings participating poets take turns providing alternating verses of 17 and 14 morae. Initially "haikai no renga" distinguished itself through vulgarity and coarseness of wit, before growing into a legitimate artistic tradition, and eventually giving birth to the haiku form of Japanese poetry. The term "renku" gained currency after 1904, when Kyoshi Takahama started to use it. The oldest known collection of haikai linked verse appears
Haiku the 5-7-5 pattern. Although the word ""on"" is sometimes translated as "syllable", one "on" is counted for a short syllable, two for an elongated vowel or doubled consonant, and one for an "n" at the end of a syllable. Thus, the word "haibun", though counted as two syllables in English, is counted as four "on" in Japanese (ha-i-bu-n); and the word ""on"" itself, which English-speakers would view as a single syllable, comprises two "on": the short vowel o and the . This is illustrated by the Issa haiku below, which contains 17 "on" but only 15 syllables. Conversely, some sounds,