by-
prefix
- (near, at hand)
- (out of the way, aside)
- (secondary)
- (past)
Wiktionary
prefix
Etymology: Partly from a combining form of by (“by, near, around”), and partly continuing Middle English bi-, by-, from Old English bī- (“by, near, around”), from Proto-Germanic *bi-, whence also be-. Cognate with Dutch bij-, German bei-.
- Near or roundabout.
“bystander, bypass”
- Secondary, incidental, or parallel to.
“by-product, byform, by-path, by-book”