This is the 235th most frequent Azerbaijani word.
özünü
"Özünü" means "yourself" or "himself/herself/itself" depending on context.
In this sentence, 'özünü' is used reflexively to refer to the subject performing an action on themselves.
O, özünü təqdim etdi.
He introduced himself.
Here, 'özünü' is used to refer to self-conscious emotions or states directed towards oneself.
Səni görmək üçün özünü yaxşı hiss et.
Feel good to see you.
In this instance, 'özünü' indicates self-direction in personal improvement or physical enhancement.