eighty

UK: ˈeɪ.ti | US: ˈeɪ.ti

Definition

  1. adj. / n. the number equivalent to the product of eight and ten; 80.

Structure
eight <the number 8>ty <group of ten>
Etymology

The word "eighty" combines "eight," from Old English eahta (related to Proto-Germanic ahtōu), with the suffix "-ty," derived from Old English -tig (meaning "group of ten"). This suffix is used in forming multiples of ten (e.g., twenty, thirty). The structure reflects a Germanic counting system where numbers beyond ten were expressed as "X tens." Over time, "eahtatig" evolved into "eighty," simplifying pronunciation while retaining its logical numerical meaning.

Examples

  1. She celebrated her eighty birthday with a grand party.

  2. The temperature soared to eighty degrees Fahrenheit.

  3. Eighty percent of the participants agreed with the proposal.

  4. The book costs eighty dollars, but it’s worth every penny.

  5. He scored eighty points in the final round of the competition.