This is the 171st most frequent Hungarian word.
tartott
"Held," "kept," or "lasted" (depending on context).
Here, 'tartott' is used to mean 'lasted' in the context of duration.
Az előadás egy órán át tartott.
The lecture lasted for one hour.
In this sentence, 'tartott' conveys the sense of 'considered' or 'valued' something as important.
Ő mindig fontosnak tartotta a tanulást.
He/She always considered learning important.
Here, 'tartották' suggests maintaining or keeping a state, 'kept' clean.