Meaning of ploughing-back in English:

ploughing-back

Pronunciation /ˈplaʊɪŋbak/

noun

(US plowing-back)
Business Economics
  • The action of ‘ploughing’ money back in to a business, industry, etc.; the reinvestment of income or profit in the enterprise which produced it.

Origin

1920s; earliest use found in Political Science Quarterly. From ploughing + back, after to plough back.