Esperanto

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

Etymology

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ok +‎ dek +‎ -a

Pronunciation

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  • Audio:(file)

Adjective

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

  1. (ordinal number) eightieth