noun
decisive character; pivotal word
A term from Chinese poetry criticism referring to the single character in a line that is considered the most crucial or expressive, often a verb or adjective that brings the line to life. Rare in everyday Japanese; encountered mainly in literary or academic contexts.
漢詩では、一句の中で最も重要な字を「字眼」と呼ぶ。
In Chinese poetry, the most important character in a line is called the 'decisive character' (字眼).