That's the lowest it's been since the early eighties, when fewer women worked.
The sneakers of the early eighties will surely “circle back around, like things always do.”
The archaeologist Sarah Nelson is in her eighties, and she would go dig in China this minute if she could get grant money.
1827 as the years of someone's life between ages 80 and 89; 1833 as the ninth decade of years in a given century; 1854 with reference to Fahrenheit temperature. See eighty.