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
Sapphic stanza used several metrical forms for her poetry, she is most famous for the Sapphic stanza. Her poems in this meter (collected in Book I of the ancient edition) ran to 330 stanzas, a significant part of her complete works (and of her surviving poetry: fragments 1-42). It is not clear if she created it or if it was already part of the Aeolic tradition; according to Marius Victorinus ("Ars grammatica" 6.161 Keil), it was invented by Alcaeus but then used more frequently by Sappho, and so is more strongly associated with her. Sappho's most famous poem in this metre is