last line of a poem
Specifically the final line of a traditional poem, such as a tanka or haiku.
The last line of this tanka is especially striking.
finally; in the end; after all
Adverbial use indicating that something happens as a final outcome, often after a process or expectation. Somewhat literary or formal.
After a long discussion, his proposal was finally adopted.
Standard kanji form for both the noun and adverb senses.
From 結 (けつ, 'conclude') + 句 (く, 'phrase/line'). The adverbial sense developed from the idea of reaching the final line or conclusion.