This is the 495th most frequent Japanese word.
過ぎ
"過ぎ" means "past" or "excess" in English.
The word '過ぎ' is used here as a suffix, attached to the verb '食べる' (to eat), to indicate excessive action of the verb.
昨夜は食べ過ぎた。
I ate too much last night.
'過ぎ' is used to express an excessive degree of an adjective, '大きい' (large).
この靴は少し大き過ぎるかもしれません。
These shoes might be a bit too large.
The word '過ぎ' is part of a compound verb '通り過ぎる' (to pass by), indicating motion beyond a point.