/ˈeɪ.ti/

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Meaning

The number 80, eight tens.

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Word origin

From Old English hundeahtatig, eight tens, later shortened to eahtatig.

Origin
Old English
Root
hundeahtatig
English cognates
eight, eighteen

Examples

t.

.

My grandfather is still working at 80.

.

The house is about 80 years old.

.

The coat was 80 pounds in the sale.

eighties.

I love music from the years 1980 to 1989.

Where this fits

Used in

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English · Free printables

eighty: worksheet, infographic and listicle

Free printable study downloads for the English word "eighty" (The number 80, eight tens.): a worksheet with the answer key built in, an infographic, and a sentence listicle. Open any one to view, print or save.

This word is taught in chapter 1, lesson 16: Number house three: twenty to a hundred.