Plural or Latin grammatical form referring to multiple groups of 12; sets composed of duodecimal units.
From duodedena + Latin grammatical ending '-um' or '-us.' This represents a Latinized plural form maintaining classical language structure.
When scientists and scholars use Latin endings like this, they're honoring a 2,000-year tradition of using Latin as the universal language of learning—even though the word feels strange to modern ears!
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