This is the 15th most frequent Hebrew word.
אחרי
"After" or "behind."
In this sentence, 'אחרי' means 'behind' and refers to the location relative to the house.
אני הולך אחרי הבית הגדול.
I am walking behind the big house.
Here, 'אחרי' means 'after' and is used to indicate the time following the event.
ניפגש אחרי האירוע הערב.
We will meet after the event this evening.
In this instance, 'אחרי' is used to denote 'after' in the context of following someone in sequence or order.