• StudSpud The Starchy@aussie.zone
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    1 year ago
    etymology reply 2

    You’re pretty much spot on. Wax meaning ‘grow bigger/greater’, so ‘wax lyrical’ is enthusiasm regarding a topic or person, talking at great length about it.

    Wax with this meaning only really survives in the ‘wax lyrical’ idiom, and when talking about the phases of the moon.