From The Collaborative International Dictionary of English v.0.48:
Garbage \Gar"bage\ (?; 48), n. [OE. also garbash, perh. orig., that which is purged or cleansed away; cf. OF. garber to make fine, neat, OHG. garawan to make ready, prepare, akin to E. garb dress; or perh. for garbleage, fr. garble; or cf. OF. garbage tax on sheaves, E. garb sheaf.] Offal, as the bowels of an animal or fish; refuse animal or vegetable matter from a kitchen; hence, anything worthless, disgusting, or loathsome. --Grainger. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Garbage \Gar"bage\, v. t. To strip of the bowels; to clean. "Pilchards . . . are garbaged." --Holland. [1913 Webster]