This is the 532nd most frequent Estonian word.
kolmas
The Estonian word "kolmas" means "third" in English.
The word 'kolmas' is used as an ordinal number to indicate the position of the friend in a sequence.
See on minu kolmas sõber.
This is my third friend.
Here, 'kolmandal' is in the locative case, indicating the location associated with the ordinal number 'third'.
Ma elan kolmandal korrusel.
I live on the third floor.
In this sentence, 'kolmas' is again an ordinal number but it functions as the descriptor for 'person'. Each usage demonstrates its adaptability in grammar forms and context.