Besides
Easton’s Bible Dictionary & Webster’s 1828 Dictionary · Matthew George Easton, Noah Webster
Besides - (Webster's 1828 Dictionary)
BESI'DES, prep. Over and above; separate or distinct from.
And there was a famine in the land, besides the first famine. Gen 26.
Note. This word, though radically the same as beside, and a corruption of it, ought not to be confounded with it, for it is never used in the senses explained under beside, except in the second.
BESI'DE
BESI'DES, adv. Moreover; more than that; over and above; distinct from; not included in the number, or in what has been mentioned.
Besides, you know not what is the fate of your friend.
The men said to Lot, hast thou here any besides: Ben.19.
To all beside, as much an empty shade.
An Eugene living, as a Caesar dead.
These sentences may be considered as elliptical.
Source of the article
Matthew George Easton, Easton’s Bible Dictionary; Noah Webster, American Dictionary of the English Language (1828)
Bible Strong combined digital edition