This is the 76th most frequent German word.
so
The German word "so" means "so," "like this," "like that," "this way," or "that way," depending on context.
In this context, 'so' is used as an adverb to intensify the adjective 'müde' (tired), meaning 'to such an extent'.
Ich bin so müde, dass ich nicht mehr lernen kann.
I am so tired that I can't study anymore.
Here, 'so' is used as an adverb to indicate manner, translating to 'this way' or 'like this'.
So macht man das hier.
This is how one does it here.
In this sentence, 'so' is used to represent similarity or comparison, meaning 'like that'.