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From Latin centēnārius + -an, equivalent to centenary (“100 year, 100th anniversary”) + -an (“person”).
Etymology from Wiktionary, CC BY-SA 4.0.
centenarian
Today it means: One who or that which is at least 100 years old. Full definition →
Today it means: One who or that which is at least 100 years old. Full definition →
From Latin centēnārius + -an, equivalent to centenary (“100 year, 100th anniversary”) + -an (“person”).
Etymology from Wiktionary, CC BY-SA 4.0.