Usages of þriðji
Við förum upp á þriðju hæð.
We go up to the third floor.
Þriðji dagurinn er bestur.
The third day is the best.
Leigjandinn á þriðju hæð veit ekki nákvæmlega hvenær viðgerðin byrjar.
The tenant on the third floor does not know exactly when the repair starts.
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