An alternative Latin plural form of colloquium, sometimes appearing in historical or classical texts; conversations or formal discussions.
From Latin colloquium with the Latin plural suffix -ia. This appears mainly in texts that directly reference or quote Latin sources rather than in original English composition.
Colloququia is basically the word that proves English speakers will do anything to avoid learning dead languages—we could use colloquia, but we invented colloquiums instead, and honestly both are more natural to English ears than trying to remember which Latin nouns pluralize how.
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