salt away

verb

1. tr, adverb to hoard or save (money, valuables, etc)

Idioms and Phrases

Also, salt down . Keep in reserve, store, save, as in He salted away most of his earnings in a bank account . This idiom alludes to using salt as a food preservative. [Mid-1800s]

Example Sentences

"Salt away that chicken feed in your duds, and skip along," says Buck.

From Project Gutenberg