This is the 54th most frequent Czech word.
tedy
"Then" or "thus".
In this case, 'tedy' is employed to indicate a reasoned action based on a preceding state.
Byl jsem unavený, tedy jsem si šel lehnout.
I was tired, so I went to lie down.
Here 'tedy' is used as an interjective adverb to express confirmation or question emphasis.
To je tedy pravda?
So, is that the truth?
Here 'tedy' is used to express consequence or a logical result.