Esperanto edit

Esperanto numbers (edit)
800
 ←  70  ←  79 80 81  →  90  → 
8
    Cardinal: okdek
    Ordinal: okdeka

Etymology edit

ok +‎ dek +‎ -a

Pronunciation edit

  • (file)

Adjective edit

okdeka (accusative singular okdekan, plural okdekaj, accusative plural okdekajn)

  1. (ordinal number) eightieth