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Navajo numbers (edit)
700
 ←  60  ←  69 70 71  →  80  → 
7
    Cardinal: tsostsʼidiin
    Ordinal: tsostsʼidiin góneʼ

Etymology

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From tsostsʼid (seven) +‎ -diin (multiplicative "times 10" suffix).

Numeral

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tsostsʼidiin

  1. seventy

Coordinate terms

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