Rubaʿi the convention is sometimes extended so that the unrhymed line of the current stanza becomes the rhyme for the following stanza. The structure can be made cyclical by linking the unrhymed line of the final stanza back to the first stanza: ZZAZ. These more stringent systems were not, however, used by FitzGerald in his "Rubaiyat". Rubaʿi Rubāʿī (from "rubāʿiyy", plural "rubāʿiyāt") is the term for a quatrain, a poem or a verse of a poem consisting of four lines. It refers specifically to a form of Persian poetry, or its derivative form in English and other languages In classical Persian
Stanza ice-bound, Changed into weeping willows, sweep the ground; Dead boughs take root in ponds And ferns on windows shoot their ghostly fronds. But vainly the fierce frost Interns poor fish, ranks trees in an armed host, Hangs daggers from house-eaves And on the windows ferny ambush weaves; In the long war grown warmer The sun will strike him dead and strip his armour.</poem> Stanza In poetry, a stanza (; from Italian "stanza" , "room") is a grouped set of lines within a poem, usually set off from other stanzas by a blank line or indentation. Stanzas can have regular rhyme