reinvest
verb[IorT]
STOCK MARKET,FINANCE(alsore-invest)uk/ˌriːɪnˈvest/usto putmoneythat youreceivefrom aninvestmentback into thatinvestment, or into anotherinvestment:
reinvest profits/proceeds/incomeInvestorslookingtobuildcapitalshould reinvest theincomefrom thefund.
reinvestdividends/capitalgains
reinvest sth (back) into sthTheownersellinghissharescan reinvest theproceedsinto otherassets.