duty

Pronunciation: /ˈdjuː.ti/

The English word “duty” has 7 meanings listed here.

noun

That which one is morally or legally obligated to do.
The state of being at work and responsible for or doing a particular task.
An excise tax; especially, one on imports or exports.
One's due, something one is owed; a debt or fee.
Respect; reverence; regard; act of respect; homage.
The efficiency of an engine in work done per unit of fuel; particularly, the number of pounds of water which a steam pumping engine can raise one foot by burning one bushel or hundredweight of coal.
The act of urination or defecation, especially for a dog.

From Middle English duete, from Middle English dewe + Middle English -te. Equivalent to due + -ty.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.