Yap.Town

であふれていた

was full of

→ で
phrase Rare #34,378
was full of Used to describe a place or thing filled to overflowing with something. The phrase is in the past tense; で marks what it was full of.
JA: 駅は旅行者であふれていた。
EN: The station was full of travelers.

その球場は野球ファンであふれていた。

The stadium was packed with baseball fans.

道路は人間であふれていた。

The street was packed with people.