eighty
Cross references: 1. number eighty \'a-t-e-\ n [ME eighty, adj, fr. OE eahtatig, short for hundeahtatig, fr.] hundeahtatig, n., group of eighty, fr. hund hundred + eahta eight + -tig group of ten; akin to OE ti-en ten pl 2: the numbers 80 to 89 inclusive; specif : the years 80 to 89 in a lifetime or century - eighty ajor ;pn