This is the 13016th most frequent Swedish word.
t
The Swedish word "t" is an abbreviation of "till," meaning "to" or "until" in English.
The 't' here stands for 't-shirt', a common abbreviation used in Swedish orthography.
Jag har en t-skirt på mig.
I am wearing a t-shirt.
In this context, 't' abbreviates 'tiden', often used on schedules or reminders.
Vi ska köra till Stockholm kl. 18 t.
We will drive to Stockholm at 6 PM.
Here, 't' is part of 't-banan', which is short for 'tunnelbanan', the Swedish subway.