俳句
はいく haiku; 17-mora poem, usu. in 3 lines of 5, 7 and 5 morae
Why it means this
俳 (playful verse) + 句 (a phrase) — a haiku, the 17-syllable poem with a seasonal word; shortened from 俳諧の句.
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.