phrase, clause, sentence, passage, paragraph, counter for haiku
句 centers on a bounded unit of language: a phrase, clause, sentence, or passage. The counter-for-haiku sense is a natural extension of counting such units.
句 combines 勹 (wrapping) and 口 (mouth), suggesting a wrapped or bounded unit of speech. This fits the idea of a phrase or clause as a self-contained spoken unit.
The outer 勹 wraps around the inner 口 (mouth), like a phrase wrapped into a neat package of words. Think of a haiku poem where each 句 is a measured line.
For ク, imagine a cool phrase wrapped up: cool -> ク, and the phrase is a cool, short sentence.
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complaint; grumbling; objection
after (a long process); at the end of
section (i.e. of text); sentence; passage; paragraph
haiku; 17-mora poem, usu. in 3 lines of 5, 7 and 5 morae
words and phrases; words
being lost for words; becoming speechless
Goguryeo (ancient Korean kingdom; 37 BCE-668 CE); Koguryo
Doll's Festival (March 3); Peach Festival
seasonal festival
phrase (verse, line)
punctuation mark
taboo word; forbidden topic
catchphrase; promotional line; slogan
conventional phrase; stock phrase; cliché
collection of haiku poems
gathering of haiku poets
period; full stop
flowery words; rhetorical flourishes
wording; words and phrases; way of expression; token
last part of a poem or Bible verse