This is the 37th most frequent Greek word.
μέσα
"Μέσα" means "inside" or "within" in English.
In this sentence, "μέσα" indicates physical location or direction, demonstrating its use as an adverb of place.
Μπήκα μέσα στο σπίτι.
I went inside the house.
Here, "μέσα" describes spatial containment or inclusion, used as a preposition along with "στο."
Μέσα στο κουτί υπήρχαν πολλά δώρα.
Inside the box, there were many gifts.
In this instance, "μέσα" is used metaphorically to signify an inner state, reflecting its figurative use to describe mental or abstract localization.