Where does “nonagenarius” come from?
nonagenarius (Latin) comes from Latin nōnāgēnus, from Latin nonaginta, from Latin nūnāgintā, from Proto-Indo-European h₁néwn̥(d)ḱomt, from Proto-Indo-European h₁néwn̥ — nine.
nonagenarius (Latin): ninety; ninety-year-old
Ancestry of “nonagenarius”, step by step
Words derived from “nonagenarius”