Where does “aside” come from?

aside (Middle English) comes from Middle English on side, from Old English on sīdan.

Ancestry of “aside”, step by step

Step	Language	Word	Meaning
1	Middle English	on side	—
2	Old English	on sīdan	—

Words derived from “aside”

Every word from Old English on sīdan →

aside — Etymology, Origin & Word History | Etymology Explorer