Words that come from Proto-Indo-European “oḱto(w)-dḱomt”
43 words across 23 languages descend from Proto-Indo-European oḱto(w)-dḱomt — including octogenary, octoginta, octogenarius, octogeni, oktōḱomt, ὀγδοήκοντα, huitante, ottanta.
See the etymology of oḱto(w)-dḱomt itself →