vigintennial
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English[edit]
Etymology[edit]
From viginti- (“twenty”) + -ennial (“yearly”), from Latin vīgintī (“twenty”) and -enniālis, from annus (“year”) + -is (“forming compound adjectives”) + -ālis (“-al: forming adjectives”).
Adjective[edit]
vigintennial (not comparable)
References[edit]
- “vigintennial, adj.”, in OED Online , Oxford, Oxfordshire: Oxford University Press, launched 2000.