Besides (adverb)

1. In addition to; also.
2. Apart from; except for.
3. By the side of; next to.

Origin:

From middle english beside (“by the side of, beside”), from old english be sīdan (“by the side of”), equivalent to be- +‎ side. cognate with dutch naast (“besides”), german neben (“besides”), swedish vid sidan om (“besides”).

Examples:

1. Besides English, he speaks Spanish fluently.
2. I don't like seafood besides shrimp.
3. Besides the park, there is a small pond.
4. Besides her, I didn't recognize anyone at the party.
5. He was never late for work, besides that one time.