plow back into

plow something back into something

 and plow something back
to put something, such as a profit, back into an investment. We plowed all the profits back into the expansion of the business. Bill and Ted plowed back everything they earned into the company.
See also: back, plow
References in periodicals archive ?
If there is less for the companies to plow back into business, those accounts will suffer.
I feel it's one way to plow back into the community some kind of gift, in this case time or whatever, or a talent if that's what describes welcoming people.