Alexandrine introduce phrasal accentuation, or rigorously observe the medial caesura, as in French." Common usage within the literatures of European languages is broader still, embracing lines syllabic, accentual-syllabic, and (inevitably) stationed ambivalently between the two; lines of 12, 13, or even 14 syllables; lines with obligatory, predominant, and optional caesurae. Although alexandrines occurred in French verse as early as the 12th century, they were slightly looser rhythmically, and vied with the "décasyllabe" and "octosyllabe" for cultural prominence and use in various genres. "The alexandrine came into its own in the middle of the sixteenth century with the poets of the Pléiade
Anisometric verse of Immortality", and Afanasy Fet's "Flights Beyond Fancy or Fantasy". The term "anisometry" is used often by Professor Emily Klenin in her published analysis of Fet's works: "The Poetics of Afanasy Fet". For example, the following verse would be anisometric: Anisometric verse Anisometric verse, known also as heterometric stanza, is a type of poetry where the stanza is made up of lines having unequal metrical length. The number of syllables within the individual lines do not correspond, nor do the number of feet. In poetry, a foot is a group of syllables where one of the syllables is accented or