This is the 348th most frequent Latvian word.
nākamā
The Latvian word "nākamā" means "next" or "upcoming" (feminine form).
Here, 'nākamo' is the accusative form of 'nākamā', used to describe 'reizi' (time) as 'my next' time.
Es gaidu savu nākamo reizi, kad mēs tiksimies.
I am waiting for my next time to meet with you.
In this context, 'nākamajā' is the locative form of 'nākamā', connected with 'gadā' (year) to denote 'in the next' year.
Nākamajā gadā mēs dosimies ceļojumā.
Next year, we will go on a trip.
In this sentence, 'nākamā' acts as an adjective modifying the noun 'diena' (day), specifying 'the next' day.