This is the 685th most frequent Czech word.
odchodu
"Odchodu" means "departure" in English.
Here, 'odchodu' describes the action of leaving a place, in this context 'z domu', meaning 'from home'.
Odchodu z domu jsem se hodně obával.
I was very apprehensive about leaving home.
In this sentence, 'odchodu' refers to a past event of leaving or passing away, depending on the contextual interpretation of 'departure'.
Naše rodina vzpomíná na rok odchodu prarodičů.
Our family remembers the year of the grandparents' departure.
In this sentence, 'odchodu' refers to the action of leaving or departing, specifically the subject's exit from the current situation or place.