This is the 979th most frequent Czech word.
syn
The Czech word "syn" means "son" in English.
Here, the word 'syn' refers to the speaker's male offspring in a possessive context.
Můj syn je velmi chytrý.
My son is very smart.
In this sentence, 'syn' specifies another individual's male offspring, making the usage third-person possessive.
Potkal jsem jeho syna na procházce.
I met his son during a walk.
The term 'syn' here is employed in a predicate nominative position specifying someone's relation to a famous person.