beside
1.
2.
3. In addition to: "Many creatures beside man live in communities" (Stuart Chase). See Usage Note at besides.
4. Except for. See Usage Note at besides.
5. Not relevant to: a remark that was beside the point.
adverb
Archaic
beside (oneself)
In a state of extreme excitement or agitation: They were beside themselves with glee.
[Middle English biside, from Old English be sīdan : be, by. See