This is the 13563rd most frequent Polish word.
pisane
"Pisane" in Polish means "written" in English.
Here, 'pisane' functions as an adjective derived from the verb 'pisać' (to write), describing the manner in which something was written.
To było pisane w pośpiechu.
It was written in a hurry.
'Pisane' is used as a past participle, modifying 'książki' (books) to express that he wrote them.
Książki pisane przez niego są niezwykle ciekawe.
The books written by him are extremely interesting.
'Pisane' acts as part of a verbal phrase in the passive voice, indicating an ongoing process aligned with rules.