Pantoum - a style of poetry of Malayan origin, where two groups - typically rowing men - would sing out rhyming interlocking couplets. Originally meant to be potentially endless, the rules now are that the last quatrain must end with the first and third lines of the beginning quatrain.

We won't give you a headache - just study the style of the amharic piece here, and then check out this English piece. or even this.

For more, talk to Mr. Google about Pantoums, he'd know. beqa, yhEw new.