This is the 9316th most frequent Polish word.
tzn
"tzn" is an abbreviation in Polish meaning "that is" or "that means."
The word 'tzn' is used to introduce a specification or clarification of the preceding statement.
Musimy się umówić na wcześniejszą godzinę, tzn. spotkajmy się o szóstej.
We need to arrange to meet earlier, i.e., let's meet at six.
Here 'tzn' elaborates and provides reasoning or an explanation to the statement before it.
Nie miałem czasu na zakupy, tzn. cały dzień pracowałem.
I didn't have time to go shopping, i.e., I worked all day.
In this context, 'tzn' is employed to expand upon the initial notion by delivering a concrete example or insight.