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Navajo numbers (edit)
800
 ←  70 80 90  → 
8
    Cardinal: tseebídiin
    Ordinal: tseebídiin góneʼ

Etymology

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From tseebíí (eight) +‎ -diin (multiplicative "times 10" suffix).

Numeral

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tseebídiin

  1. eighty

Coordinate terms

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